top outdoor storage solutions

When selecting a lockable outdoor storage box with a lock, durability, size, and security features are key factors. The YITAHOME 35 Gallon Outdoor Storage Box stands out as the best overall, offering a waterproof design and strong lockability. The Rubbermaid ActionPacker is a solid choice for rugged outdoor use, while the Eco-Conscious 55-Gallon Resin Deck Box provides a larger capacity with eco-friendly materials. Buyers often face tradeoffs between size, weather resistance, ease of access, and price. Continue reading to see a detailed comparison and find the perfect fit for your outdoor storage needs.

15
compared
11
brands
4
colors
150 gallons
max capacity
Which lockable outdoor storage boxes with a lock should you buy?
★ Top Pick
YITAHOME 35 Gallon Outdoor Sto
Best Overall
Weatherproof and durable poly resin construction
See on Amazon →
Outdoor workers, campers, or those needing impact-resistant storage for tools and gear in rugged conditions.
Rubbermaid ActionPacker Lockab
Highly impact-resistant and durable shell
View on Amazon →
Gardeners or outdoor hosts seeking a combined storage and seating solution with easy assembly.
Eco-Conscious 55-Gallon Resin
Large 55-gallon capacity for ample outdoor storage
View on Amazon →
Large families or property owners with extensive outdoor equipment and furniture requiring significant storage capacity.
Greesum Outdoor Storage Box 10
Massive 100-gallon capacity for large outdoor items
View on Amazon →
Urban dwellers or those with small patios seeking a secure, weatherproof storage box that doesn’t dominate outdoor space.
YITAHOME 31 Gallon Resin Deck
Compact size fits small outdoor spaces
View on Amazon →
Capacity — compared
YITAHOME 35 Gallon Outdoor Sto35 gallons
Rubbermaid ActionPacker Lockab35 gallons
Eco-Conscious 55-Gallon Resin 55 gallons
Greesum Outdoor Storage Box 10100 gallons
YITAHOME 31 Gallon Resin Deck 31 gallons
Greesum Outdoor Storage Box 3131 gallons
Amazon Basics Outdoor Storage 99 gallons
Devoko 120 Gallon Deck Box Res120 gallons
Suncast Lockable Outdoor Cabin97 gallons
Devoko 78 Gallon Waterproof Re78 gallons
Greesum Outdoor Storage Box 8282 gallons
Keter 150 Gallon Resin Large D150 gallons
DWVO 30 Gallon Outdoor Storage30 gallons
Outdoor Storage Box45 gallons
30 Gallon Outdoor Deck Box Wat30 gallons
Pros & cons at a glance
YITAHOME 35 Gallon Outdoor Sto
✓ Weatherproof and durable poly resin construction
✗ Padlock not included, requiring additional purchase for security
Rubbermaid ActionPacker Lockab
✓ Highly impact-resistant and durable shell
✗ Lock not included, requiring extra purchase
Eco-Conscious 55-Gallon Resin
✓ Large 55-gallon capacity for ample outdoor storage
✗ Locking mechanism details are unclear
Greesum Outdoor Storage Box 10
✓ Massive 100-gallon capacity for large outdoor items
✗ Assembly may require effort, especially solo
YITAHOME 31 Gallon Resin Deck
✓ Compact size fits small outdoor spaces
✗ Lock not included, additional purchase needed
Greesum Outdoor Storage Box 31
✓ Weatherproof and UV resistant for outdoor durability
✗ Limited to 31 gallons capacity
Amazon Basics Outdoor Storage
✓ Large 99-gallon capacity for substantial storage
✗ Heavy when filled, difficult to move
Devoko 120 Gallon Deck Box Res
✓ Massive 120-gallon capacity for extensive storage
✗ Heavy when filled, difficult to relocate
Suncast Lockable Outdoor Cabin
✓ Large 97-gallon capacity for versatile storage
✗ Lock not included, additional purchase needed
Devoko 78 Gallon Waterproof Re
✓ Waterproof and rust-resistant resin material
✗ No specific dimensions provided
Greesum Outdoor Storage Box 82
✓ Large 82-gallon capacity for versatile outdoor storage
✗ Assembly may require some effort despite included instructions
Keter 150 Gallon Resin Large D
✓ Massive 150-gallon capacity for versatile storage
✗ Heavy when filled, difficult to move
DWVO 30 Gallon Outdoor Storage
✓ Weatherproof and UV-resistant for outdoor durability
✗ No included lock, requiring separate padlock
Outdoor Storage Box
✓ Durable, waterproof construction
✗ Padlock not included, so security depends on user purchase
30 Gallon Outdoor Deck Box Wat
✓ Weatherproof and UV-resistant construction
✗ Lock not included, requiring separate purchase

Complete the kit

GIOTOHUN Cat Water Fountain Filter Replacement: 12 Cat Fo...
GIOTOHUN Cat Water Fountain Filter Replacement: 12 Cat Fo…
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Bluevua Official RO100ROPOT 4-Pack Replacement Filter Set...
Bluevua Official RO100ROPOT 4-Pack Replacement Filter Set…
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APEC Water Systems Filter-Set-ES High Capacity Replacemen...
APEC Water Systems Filter-Set-ES High Capacity Replacemen…
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Key Takeaways

  • Size options vary significantly, so consider how much storage space you need before choosing.
  • Weather resistance and UV protection are critical for maintaining longevity in outdoor environments.
  • Locks differ in strength and type, impacting security, with some offering keyed locks and others combination or padlock compatibility.
  • Higher capacity boxes tend to be larger and may require more space but offer better value for bulk storage.
  • Price ranges reflect build quality, size, and added features; investing more often ensures better durability and security.

Our Top Lockable Outdoor Storage Boxes With A Lock Picks

YITAHOME 35 Gallon Outdoor Storage Box, Waterproof Resin Deck Box with Lockable Lid for Patio Furniture Cushions and Garden ToolsYITAHOME 35 Gallon Outdoor Storage Box, Waterproof Resin Deck Box with Lockable Lid for Patio Furniture Cushions and Garden ToolsBest OverallCapacity: 35 gallonsDimensions: 22.12″L x 17.09″W x 20.49″HMaterial: Poly resinVIEW ON AMAZONSee Our Full Breakdown
Rubbermaid ActionPacker Lockable Storage Box, 35 Gal, Grey and BlackRubbermaid ActionPacker Lockable Storage Box, 35 Gal, Grey and BlackBest for Rugged UseCapacity: 35 gallonsDimensions: 35.250 in. L x 20.000 in. W x 17.250 in. HMaterial: Impact resistantVIEW ON AMAZONSee Our Full Breakdown
Eco-Conscious 55-Gallon Resin Deck Box with Lockable Lid and BenchEco-Conscious 55-Gallon Resin Deck Box with Lockable Lid and BenchBest Dual-Purpose DesignCapacity: 55 gallonsMaterial: ResinSeat Weight Capacity: 300 lbsVIEW ON AMAZONSee Our Full Breakdown
Greesum Outdoor Storage Box 100 Gallon Waterproof and UV Resistant with Lid for Patio Furniture and Garden ToolsGreesum Outdoor Storage Box 100 Gallon Waterproof and UV Resistant with Lid for Patio Furniture and Garden ToolsBest for Large CapacityCapacity: 100 gallonsMaterial: PP with wood grain finishWeather Resistance: Waterproof and UV resistantVIEW ON AMAZONSee Our Full Breakdown
YITAHOME 31 Gallon Resin Deck Box Outdoor Storage Box with Lockable Lid, Waterproof, BlackYITAHOME 31 Gallon Resin Deck Box Outdoor Storage Box with Lockable Lid, Waterproof, BlackBest Compact ChoiceCapacity: 31 gallonsDimensions: 22”L x 17.1”W x 20.8”HMaterial: Polypropylene resinVIEW ON AMAZONSee Our Full Breakdown
Greesum Outdoor Storage Box 31 Gallon Waterproof and UV Resistant with Lockable LidGreesum Outdoor Storage Box 31 Gallon Waterproof and UV Resistant with Lockable LidBest Compact Outdoor Storage SolutionCapacity: 31 gallonsMaterial: ResinColor: Dark BlackVIEW ON AMAZONSee Our Full Breakdown
Amazon Basics Outdoor Storage Deck Box, Lockable, Weather-Resistant, 99 Gallon, BrownAmazon Basics Outdoor Storage Deck Box, Lockable, Weather-Resistant, 99 Gallon, BrownBest Large Capacity Lockable Deck BoxCapacity: 99 gallonsMaterial: ResinColor: BrownVIEW ON AMAZONSee Our Full Breakdown
Devoko 120 Gallon Deck Box Resin Outdoor Storage Box Waterproof for Patio, Large Outdoor Storage Bench Lockable for OutsideDevoko 120 Gallon Deck Box Resin Outdoor Storage Box Waterproof for Patio, Large Outdoor Storage Bench Lockable for OutsideBest for Large-Scale Outdoor Storage and SeatingItem Dimensions: 52.2″L x 24.2″W x 25.2″HCapacity: 120 gallonsMaterial: ResinVIEW ON AMAZONSee Our Full Breakdown
Suncast Lockable Outdoor Cabinet Storage for Patio, Garden and Backyard, 97 Gal, Cool GraySuncast Lockable Outdoor Cabinet Storage for Patio, Garden and Backyard, 97 Gal, Cool GrayBest Weatherproof Cabinet with Adjustable StorageCapacity: 97 gallonsMaterial: Weather-resistant plasticInterior Dimensions: 37.25″ L x 17.5″ W x 32.5″ HVIEW ON AMAZONSee Our Full Breakdown
Devoko 78 Gallon Waterproof Resin Outdoor Storage Box for Patio and GardenDevoko 78 Gallon Waterproof Resin Outdoor Storage Box for Patio and GardenBest Budget-Friendly Waterproof StorageMaterial: Waterproof resinCapacity: 78 gallonsColor: BlackVIEW ON AMAZONSee Our Full Breakdown
Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lockable Lid for Patio Furniture, Garden Tools, Pool SuppliesGreesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lockable Lid for Patio Furniture, Garden Tools, Pool SuppliesBest OverallCapacity: 82 gallonsMaterial: ResinColor: BlackVIEW ON AMAZONSee Our Full Breakdown
Keter 150 Gallon Resin Large Deck Box for Patio and Outdoor StorageKeter 150 Gallon Resin Large Deck Box for Patio and Outdoor StorageBest for Maximum CapacityCapacity: 150 gallonsMaterial: ResinColor: BrownVIEW ON AMAZONSee Our Full Breakdown
DWVO 30 Gallon Outdoor Storage Box Weatherproof Lockable Resin Deck Box for Patio Furniture, Pool Accessories, Garden Tools, and Supplies – BrownDWVO 30 Gallon Outdoor Storage Box Weatherproof Lockable Resin Deck Box for Patio Furniture, Pool Accessories, Garden Tools, and Supplies - BrownBest Compact StorageCapacity: 30 gallonsDimensions: 22” x 17.1” x 20.8”Material: Poly resin rattanVIEW ON AMAZONSee Our Full Breakdown
Outdoor Storage Box, 45 Gallon Deck Box with Lockable Lid, Waterproof Resin Storage Bin for Cushions, Garden Tools, Patio Furniture, GreyOutdoor Storage Box, 45 Gallon Deck Box with Lockable Lid, Waterproof Resin Storage Bin for Cushions, Garden Tools, Patio Furniture, GreyBest Mid-Size with SecurityCapacity: 45 gallonsMaterial: ResinColor: GreyVIEW ON AMAZONSee Our Full Breakdown
30 Gallon Outdoor Deck Box Waterproof Lockable Storage Container for Garden Tools and Cushions30 Gallon Outdoor Deck Box Waterproof Lockable Storage Container for Garden Tools and CushionsBest Budget Compact ChoiceCapacity: 30 gallonsMaterial: ResinColor: BlackVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
lockable outdoor storage boxes with a lockCapacityMaterialColor
YITAHOME 35 Gallon Outdoor Sto35 gallonsPoly resin
Rubbermaid ActionPacker Lockab35 gallonsImpact resistant
Eco-Conscious 55-Gallon Resin 55 gallonsResin
Greesum Outdoor Storage Box 10100 gallonsPP with wood grain finish
YITAHOME 31 Gallon Resin Deck 31 gallonsPolypropylene resinBlack
Greesum Outdoor Storage Box 3131 gallonsResinDark Black
Amazon Basics Outdoor Storage 99 gallonsResinBrown
Devoko 120 Gallon Deck Box Res120 gallonsResinBlack
Suncast Lockable Outdoor Cabin97 gallonsWeather-resistant plastic
Devoko 78 Gallon Waterproof Re78 gallonsWaterproof resinBlack
Greesum Outdoor Storage Box 8282 gallonsResinBlack
Keter 150 Gallon Resin Large D150 gallonsResinBrown
DWVO 30 Gallon Outdoor Storage30 gallonsPoly resin rattanBrown
Outdoor Storage Box45 gallonsResinGrey
30 Gallon Outdoor Deck Box Wat30 gallonsResinBlack

More Details on Our Top Picks

  1. YITAHOME 35 Gallon Outdoor Storage Box, Waterproof Resin Deck Box with Lockable Lid for Patio Furniture Cushions and Garden Tools

    YITAHOME 35 Gallon Outdoor Storage Box, Waterproof Resin Deck Box with Lockable Lid for Patio Furniture Cushions and Garden Tools

    Best Overall

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    The YITAHOME 35 Gallon Storage Box stands out for its combination of weatherproof durability, versatile use, and ease of assembly, making it a well-rounded choice for many outdoor storage needs. Unlike the Greesum 31 Gallon model, which offers similar weather resistance but slightly less capacity, this box provides a stylish, functional solution that can double as a side table or footstool. Its lockable lid enhances security, though the lock itself is not included, which could be a drawback for those seeking immediate security. The compact 35-gallon size suits small to medium items but limits larger equipment storage. Its lightweight, tool-free setup makes it attractive for quick outdoor organization, but the absence of a padlock increases vulnerability if security is a priority. Overall, this pick makes the most sense for homeowners seeking an attractive, weatherproof, and multi-purpose storage solution without heavy lifting or complex assembly.

    Pros:
    • Weatherproof and durable poly resin construction
    • Easy, tool-free assembly suitable for quick setup
    • Lockable lid enhances security and safety
    • Multi-functional as a side table or footstool
    Cons:
    • Padlock not included, requiring additional purchase for security
    • Limited capacity restricts storage of larger items

    Best for: Homeowners wanting an easy-to-assemble, weatherproof storage box that doubles as outdoor furniture and can store cushions or garden tools.

    Not ideal for: Those needing large capacity for bulky outdoor equipment or high-security storage, as it lacks a built-in lock and has limited volume.

    • Capacity:35 gallons
    • Dimensions:22.12″L x 17.09″W x 20.49″H
    • Material:Poly resin
    • Features:Lockable lid, weatherproof, built-in handles, easy assembly
    Our verdict
    “This model suits buyers seeking a stylish, weatherproof, and versatile storage solution with simple assembly and moderate security needs.”
  2. Rubbermaid ActionPacker Lockable Storage Box, 35 Gal, Grey and Black

    Rubbermaid ActionPacker Lockable Storage Box, 35 Gal, Grey and Black

    Best for Rugged Use

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    The Rubbermaid ActionPacker excels in impact resistance and toughness, making it ideal for harsh outdoor or industrial environments. Compared to the YITAHOME model, it offers superior impact resistance and a more robust, impact-resistant shell, but it comes with a heavier weight and bulkier profile, which may complicate relocation. Its water-repellent grooved surface helps prevent pooling, adding to its durability, yet the lock is not included, requiring an additional purchase. Its large 35-gallon capacity is comparable, but the heavier weight limits portability. This box is especially suited for those needing impact and weather resistance, like outdoor workers or campers, but less so for users prioritizing ease of moving or aesthetic appeal. Overall, this is a reliable choice for demanding environments with a focus on impact protection and security.

    Pros:
    • Highly impact-resistant and durable shell
    • Water-repellent grooved surface prevents pooling
    • Lockable lid for security
    • Designed for extreme conditions
    Cons:
    • Lock not included, requiring extra purchase
    • Heavy and bulky, less portable

    Best for: Outdoor workers, campers, or those needing impact-resistant storage for tools and gear in rugged conditions.

    Not ideal for: Casual homeowners or users prioritizing lightweight, aesthetic storage options, as it is heavy and more industrial in design.

    • Capacity:35 gallons
    • Dimensions:35.250 in. L x 20.000 in. W x 17.250 in. H
    • Material:Impact resistant
    • Load Capacity:110 LBS
    • Temperature Resistance:0-100℉
    Our verdict
    “This box is perfect for buyers needing heavy-duty, impact-resistant outdoor storage with security, but less suited for those seeking lightweight or decorative options.”
  3. Eco-Conscious 55-Gallon Resin Deck Box with Lockable Lid and Bench

    Eco-Conscious 55-Gallon Resin Deck Box with Lockable Lid and Bench

    Best Dual-Purpose Design

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    The Eco-Conscious 55-Gallon Resin Deck Box combines generous storage capacity with functional seating, making it suitable for those who want both convenience and outdoor comfort. Its 55-gallon volume surpasses smaller options like the YITAHOME 35-gallon, offering more room for cushions, tools, or pool accessories. The built-in bench supporting up to 300 lbs provides extra seating, ideal for social gatherings or relaxing outdoors. Its tool-free assembly simplifies setup, but the capacity might still fall short for larger outdoor equipment. While it’s weather-resistant with UV protection, the locking mechanism’s details are vague, which could impact security. This pick strikes a balance between storage and seating for users prioritizing multi-functionality, though it isn’t suited for those needing maximum security or very large storage capacity.

    Pros:
    • Large 55-gallon capacity for ample outdoor storage
    • Dual-purpose with a sturdy, locking bench
    • Weather-resistant and UV protected
    • Easy, tool-free assembly
    Cons:
    • Locking mechanism details are unclear
    • Capacity may be insufficient for very large outdoor items

    Best for: Gardeners or outdoor hosts seeking a combined storage and seating solution with easy assembly.

    Not ideal for: People with large outdoor equipment or those needing high-security locking, as locking features are not fully detailed.

    • Capacity:55 gallons
    • Material:Resin
    • Seat Weight Capacity:300 lbs
    • Assembly:Tool-free
    • Weather Resistance:UV-resistant, waterproof
    Our verdict
    “This model suits buyers looking for a versatile, weatherproof storage solution that also provides outdoor seating, but security details may require additional attention.”
  4. Greesum Outdoor Storage Box 100 Gallon Waterproof and UV Resistant with Lid for Patio Furniture and Garden Tools

    Greesum Outdoor Storage Box 100 Gallon Waterproof and UV Resistant with Lid for Patio Furniture and Garden Tools

    Best for Large Capacity

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    The Greesum 100-Gallon Storage Box offers the most expansive capacity in this lineup, ideal for those with substantial outdoor storage needs. Its large volume surpasses the Rubbermaid 35-Gallon and YITAHOME 35-Gallon options, making it suitable for big equipment or multiple cushions. The durable PP material with a wood grain finish provides a stylish appearance and UV protection, though assembly can be somewhat challenging for one person. The hydraulic lid enhances safety and ease of opening, and the lockable feature adds security, but the lock must be purchased separately. This model is best for users prioritizing maximum storage space and weather resistance, but it may be overkill for small or moderate needs, and limited color options reduce customization.

    Pros:
    • Massive 100-gallon capacity for large outdoor items
    • Weatherproof and UV resistant for durability
    • Hydraulic lid for safety and ease of use
    • Multi-functional as a bench or table
    Cons:
    • Assembly may require effort, especially solo
    • Limited color options (black only)

    Best for: Large families or property owners with extensive outdoor equipment and furniture requiring significant storage capacity.

    Not ideal for: Users with smaller outdoor spaces or those seeking lightweight, easy-to-move storage solutions, as this box is bulky and heavier.

    • Capacity:100 gallons
    • Material:PP with wood grain finish
    • Weather Resistance:Waterproof and UV resistant
    • Features:Lockable, hydraulic lid, side handles
    Our verdict
    “This storage box is perfect for those needing maximum capacity and weather resistance, though it demands effort to assemble and move.”
  5. YITAHOME 31 Gallon Resin Deck Box Outdoor Storage Box with Lockable Lid, Waterproof, Black

    YITAHOME 31 Gallon Resin Deck Box Outdoor Storage Box with Lockable Lid, Waterproof, Black

    Best Compact Choice

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    The YITAHOME 31 Gallon Resin Deck Box provides a sleek, compact option for those with limited outdoor space or lighter storage needs. Its black polypropylene resin with a wood-like texture offers a stylish look that fits well with modern patios. Compared to the slightly larger 35-gallon models, this box is easier to fit into tighter spaces while still offering weatherproofing and a lockable lid, though the lock must be purchased separately, which can be inconvenient. Its dimensions are slightly smaller, making it ideal for storing cushions, small tools, or pool supplies, but it might fall short for bulkier equipment. Assembly instructions are minimal, but some users might find the process slightly vague. Overall, it’s an excellent choice for users wanting a discreet, secure, and weather-resistant storage solution in a smaller footprint.

    Pros:
    • Compact size fits small outdoor spaces
    • Weatherproof and UV resistant
    • Lockable lid enhances security
    • Multi-functional as a bench or side table
    Cons:
    • Lock not included, additional purchase needed
    • Limited capacity for larger outdoor equipment

    Best for: Urban dwellers or those with small patios seeking a secure, weatherproof storage box that doesn’t dominate outdoor space.

    Not ideal for: Users needing large capacity or heavy-duty impact resistance, as this model is smaller and less robust than larger alternatives.

    • Capacity:31 gallons
    • Dimensions:22”L x 17.1”W x 20.8”H
    • Material:Polypropylene resin
    • Color:Black
    Our verdict
    “This pick suits buyers needing a small, secure, and weatherproof storage option for limited outdoor areas without sacrificing style.”
  6. Greesum Outdoor Storage Box 31 Gallon Waterproof and UV Resistant with Lockable Lid

    Greesum Outdoor Storage Box 31 Gallon Waterproof and UV Resistant with Lockable Lid

    Best Compact Outdoor Storage Solution

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    This 31-gallon resin storage box is ideal for those seeking a weatherproof, multi-purpose outdoor container that doubles as seating. Its UV-resistant and waterproof design ensures durability against the elements, making it suitable for small patios or garden corners. Compared with larger options like the Amazon Basics 99-Gallon Deck Box, it offers less capacity but is easier to handle and quick to assemble. The lockable lid adds security, though you need to purchase a lock separately, which could be a minor inconvenience. Its ability to serve as a seat or table makes it versatile for compact outdoor spaces. The main tradeoff is its limited capacity, which might not suit larger storage needs.

    Pros:
    • Weatherproof and UV resistant for outdoor durability
    • Multi-purpose use as storage, seat, or table
    • Lockable lid for added security
    • Easy to assemble
    Cons:
    • Limited to 31 gallons capacity
    • Requires a separate lock purchase
    • Can be heavy when filled

    Best for: Buyers with small outdoor spaces or those needing a discreet, multi-use storage option that also functions as seating.

    Not ideal for: Gardeners or families with extensive outdoor gear that require large storage capacity, as this model offers only 31 gallons.

    • Capacity:31 gallons
    • Material:Resin
    • Color:Dark Black
    • Weather Resistance:Waterproof, UV resistant
    • Lockable:Yes
    • Seat Capacity:1 adult
    Our verdict
    “This pick suits small outdoor spaces needing a durable, lockable, and versatile storage solution with seating capability.”
  7. Amazon Basics Outdoor Storage Deck Box, Lockable, Weather-Resistant, 99 Gallon, Brown

    Amazon Basics Outdoor Storage Deck Box, Lockable, Weather-Resistant, 99 Gallon, Brown

    Best Large Capacity Lockable Deck Box

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    This 99-gallon resin deck box provides ample space for patio cushions, garden tools, and pool accessories, making it suitable for larger outdoor storage needs. Its double-wall construction enhances durability, while the lockable lid secures valuables. Compared to the smaller Greesum 31-gallon, it offers significantly more volume, though it also tends to be heavier and less portable. The classic wicker pattern lends an elegant look that complements many outdoor décors but might not appeal to all aesthetic preferences. Its generous capacity makes it a practical choice for those prioritizing storage size, but its weight and bulk could be inconvenient for frequent rearranging.

    Pros:
    • Large 99-gallon capacity for substantial storage
    • Weather-resistant and durable resin construction
    • Secure lockable lid for peace of mind
    • Elegant wicker design
    Cons:
    • Heavy when filled, difficult to move
    • Design may not match all outdoor aesthetics

    Best for: Homeowners needing a spacious, secure outdoor storage box that blends style with capacity.

    Not ideal for: Individuals with limited mobility or those who prefer lightweight, easily movable storage solutions, due to its weight when filled.

    • Capacity:99 gallons
    • Material:Resin
    • Color:Brown
    • Features:Weather-resistant, Lockable lid, Double-wall construction
    Our verdict
    “Ideal for those needing a sizable, secure outdoor storage solution that also enhances patio decor.”
  8. Devoko 120 Gallon Deck Box Resin Outdoor Storage Box Waterproof for Patio, Large Outdoor Storage Bench Lockable for Outside

    Devoko 120 Gallon Deck Box Resin Outdoor Storage Box Waterproof for Patio, Large Outdoor Storage Bench Lockable for Outside

    Best for Large-Scale Outdoor Storage and Seating

    View on Amazon

    The Devoko 120-gallon deck box stands out for offering one of the largest capacities among lockable outdoor storage options, making it perfect for extensive patio or garden collections. Its water-resistant resin and hydraulic pistons allow for easy lifting and safe closing, adding to user convenience. Compared with smaller options like the Greesum 31-gallon, this model sacrifices portability for massive storage space and seating functionality. Its modern woodgrain design helps it blend seamlessly into outdoor settings, though it is quite heavy once filled, which could hinder repositioning. Assembly is straightforward but may be complex for some users unfamiliar with similar furniture.

    Pros:
    • Massive 120-gallon capacity for extensive storage
    • Made of durable, water-resistant resin
    • Hydraulic pistons for easy lift and safety
    • Serves as a bench, providing seating
    Cons:
    • Heavy when filled, difficult to relocate
    • Assembly may be complex for novices
    • Limited color options

    Best for: Families or large households needing extensive storage combined with seating in a durable, weatherproof unit.

    Not ideal for: Users with limited strength or those who prefer lightweight, easy-to-move storage, due to its weight and size.

    • Item Dimensions:52.2″L x 24.2″W x 25.2″H
    • Capacity:120 gallons
    • Material:Resin
    • Color:Black
    • Style:Modern
    Our verdict
    “Best suited for those prioritizing large capacity and multifunctionality in a weatherproof, secure outdoor storage solution.”
  9. Suncast Lockable Outdoor Cabinet Storage for Patio, Garden and Backyard, 97 Gal, Cool Gray

    Suncast Lockable Outdoor Cabinet Storage for Patio, Garden and Backyard, 97 Gal, Cool Gray

    Best Weatherproof Cabinet with Adjustable Storage

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    This 97-gallon outdoor cabinet offers a compact, organized storage option with an adjustable shelf, perfect for small to medium outdoor spaces. Its weather-resistant plastic construction provides durability without the weight of metal or wood, and the lockable doors add security. Compared with deck boxes like Amazon Basics 99 Gallon, its cabinet design helps organize smaller items more efficiently. However, the lock is not included, which could be a downside if security is a priority. Its weight of nearly 60 pounds makes it somewhat cumbersome to move, especially when filled. The design is functional but may not appeal to all aesthetic preferences.

    Pros:
    • Large 97-gallon capacity for versatile storage
    • Weather-resistant plastic construction
    • Includes an adjustable shelf for organization
    • Lockable doors for security
    Cons:
    • Lock not included, additional purchase needed
    • Heavy weight may complicate relocation
    • Design may not match all outdoor styles

    Best for: Gardeners or homeowners looking for an organized, lockable storage cabinet that fits neatly into patios or small yards.

    Not ideal for: Those needing a large-volume, bulk storage solution, as its capacity is slightly less than some deck boxes and its weight can be a hassle.

    • Capacity:97 gallons
    • Material:Weather-resistant plastic
    • Interior Dimensions:37.25″ L x 17.5″ W x 32.5″ H
    • Exterior Dimensions:42″ L x 23″ W x 35.5″ H
    • Weight:59.2 pounds
    Our verdict
    “A practical, organized lockable cabinet for users wanting secure storage with adjustable features in limited outdoor spaces.”
  10. Devoko 78 Gallon Waterproof Resin Outdoor Storage Box for Patio and Garden

    Devoko 78 Gallon Waterproof Resin Outdoor Storage Box for Patio and Garden

    Best Budget-Friendly Waterproof Storage

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    The Devoko 78-gallon resin storage box offers a solid balance of capacity and affordability, making it suitable for general outdoor storage needs. Its waterproof design and lockable lid provide security and protection from the elements, similar to the Greesum 31-gallon, but with nearly double the volume. Its rattan pattern adds aesthetic appeal, though this may not match all outdoor styles. The handles facilitate mobility, but the lack of specified dimensions could be a concern for precise space planning. It’s a practical, cost-effective choice for those wanting reliable outdoor storage without the high price tag.

    Pros:
    • Waterproof and rust-resistant resin material
    • Lockable lid for security
    • Handles for easy mobility
    • Affordable price point
    Cons:
    • No specific dimensions provided
    • Design may not suit all aesthetic preferences

    Best for: Homeowners seeking an affordable, waterproof storage box for outdoor furniture, tools, or pool accessories.

    Not ideal for: Users needing a large, high-capacity storage or those who prioritize detailed design customization, due to its basic appearance and unspecified dimensions.

    • Material:Waterproof resin
    • Capacity:78 gallons
    • Color:Black
    • Design:Rattan pattern
    Our verdict
    “A dependable, budget-friendly waterproof storage box suitable for general outdoor organization needs.”
  11. Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lockable Lid for Patio Furniture, Garden Tools, Pool Supplies

    Greesum Outdoor Storage Box 82 Gallon Waterproof and UV Resistant Storage Bin with Lockable Lid for Patio Furniture, Garden Tools, Pool Supplies

    Best Overall

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    This 82-gallon resin storage box stands out for its large capacity and versatile design, making it ideal for those who need substantial outdoor organization without sacrificing functionality. Compared with the 150-gallon Keter model, it offers a more manageable size for smaller patios but still provides ample storage. Its waterproof, UV-resistant construction ensures durability over time, and the hydraulic brackets add safety when opening and closing. The lockable lid enhances security, although a separate lock purchase is necessary. Assembly is straightforward but may require some effort, especially for first-timers. This pick makes the most sense for homeowners seeking a balanced combination of capacity, weather resistance, and ease of use.

    Pros:
    • Large 82-gallon capacity for versatile outdoor storage
    • Weatherproof and UV resistant for long-term durability
    • Can be used as a seat or table for multifunctionality
    • Secure lockable design with hydraulic safety
    Cons:
    • Assembly may require some effort despite included instructions
    • Locking mechanism requires a separate padlock for security

    Best for: Homeowners wanting a large, durable outdoor storage solution that can double as seating or a table

    Not ideal for: People needing a compact, lightweight option for frequent relocation or limited storage space

    • Capacity:82 gallons
    • Material:Resin
    • Color:Black
    • Features:Waterproof, UV resistant, Lockable, Hydraulic brackets, Multi-purpose
    Our verdict
    “This model suits those seeking a sizable, weather-resistant storage box with multi-use features and a secure lid.”
  12. Keter 150 Gallon Resin Large Deck Box for Patio and Outdoor Storage

    Keter 150 Gallon Resin Large Deck Box for Patio and Outdoor Storage

    Best for Maximum Capacity

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    The Keter 150-gallon deck box offers the highest storage capacity among these options, making it perfect for larger households or those with extensive outdoor gear. Its resin construction mimics wood, providing a more aesthetically pleasing look compared to simpler designs like the Greesum. It also doubles as extra seating, which is a practical bonus for gatherings. However, its weight when filled can make moving cumbersome, especially for one person. Unlike the smaller DWVO model, it provides ample space but may be overkill for smaller patios or occasional use. This pick is ideal for users prioritizing maximum storage without sacrificing outdoor style and seating functionality.

    Pros:
    • Massive 150-gallon capacity for versatile storage
    • Weather-resistant resin with a wood-like appearance
    • Serves as extra seating for outdoor gatherings
    • Durable and aesthetically pleasing design
    Cons:
    • Heavy when filled, difficult to move
    • Resin may fade or discolor if exposed to prolonged sunlight

    Best for: Families or individuals needing to store large quantities of outdoor equipment with added seating

    Not ideal for: People with limited space or those who prefer lightweight, portable solutions

    • Capacity:150 gallons
    • Material:Resin
    • Color:Brown
    • Seating Capacity:2 adults
    Our verdict
    “Best suited for those who need maximum storage and seating in a durable, attractive package.”
  13. DWVO 30 Gallon Outdoor Storage Box Weatherproof Lockable Resin Deck Box for Patio Furniture, Pool Accessories, Garden Tools, and Supplies – Brown

    DWVO 30 Gallon Outdoor Storage Box Weatherproof Lockable Resin Deck Box for Patio Furniture, Pool Accessories, Garden Tools, and Supplies - Brown

    Best Compact Storage

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    The DWVO 30-gallon deck box is a compact, versatile choice for smaller outdoor spaces, offering weatherproof, durable resin construction that resists water, UV rays, and rust. Its multi-functional design allows it to serve as storage, a side table, or seating, making it ideal for patios with limited space. Compared to the larger Greesum or Keter options, it’s easier to move and install, especially with built-in handles. However, its smaller capacity limits storage to light or small items, and a padlock must be purchased separately to secure the lid. This model makes sense for users who want a reliable, space-efficient option without the bulk of larger boxes.

    Pros:
    • Weatherproof and UV-resistant for outdoor durability
    • Multi-functional as storage, seating, or side table
    • Easy to assemble without tools
    • Built-in handles for portability
    Cons:
    • No included lock, requiring separate padlock
    • Limited capacity for larger or bulkier items

    Best for: Urban residents or small patio owners needing secure, space-saving outdoor storage

    Not ideal for: Those requiring large-volume storage for bulky equipment or extensive outdoor gear

    • Capacity:30 gallons
    • Dimensions:22” x 17.1” x 20.8”
    • Material:Poly resin rattan
    • Color:Brown
    Our verdict
    “This pick is ideal for compact outdoor spaces needing reliable, versatile storage for small items.”
  14. Outdoor Storage Box, 45 Gallon Deck Box with Lockable Lid, Waterproof Resin Storage Bin for Cushions, Garden Tools, Patio Furniture, Grey

    Outdoor Storage Box, 45 Gallon Deck Box with Lockable Lid, Waterproof Resin Storage Bin for Cushions, Garden Tools, Patio Furniture, Grey

    Best Mid-Size with Security

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    The 45-gallon grey deck box offers a balanced mix of capacity and security, making it suitable for storing cushions, gardening tools, and patio accessories. Its waterproof resin construction provides reliable weather protection, while the lockable lid offers added security—especially compared to models like the DWVO that lack locks. Its lightweight design makes relocation straightforward, but the capacity may be limiting for bulkier equipment. The grey finish blends well with most outdoor decor, although options are limited in color. This box appeals to users who need enough storage for everyday items with the peace of mind of a lockable lid.

    Pros:
    • Durable, waterproof construction
    • Lockable lid for added security
    • Easy to assemble and relocate
    • Versatile for indoor or outdoor use
    Cons:
    • Padlock not included, so security depends on user purchase
    • Limited capacity for large or bulky items

    Best for: Homeowners seeking a secure, mid-sized outdoor storage solution for daily use

    Not ideal for: Large families or those with extensive outdoor gear that requires bigger capacity

    • Capacity:45 gallons
    • Material:Resin
    • Color:Grey
    • Weatherproof:Yes
    • Lockable:Yes
    Our verdict
    “Ideal for those needing a secure, moderate capacity outdoor storage box for everyday items.”
  15. 30 Gallon Outdoor Deck Box Waterproof Lockable Storage Container for Garden Tools and Cushions

    30 Gallon Outdoor Deck Box Waterproof Lockable Storage Container for Garden Tools and Cushions

    Best Budget Compact Choice

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    This 30-gallon black deck box provides a straightforward, durable solution for securing small outdoor items. Its weatherproof resin design resists the elements, and the lockable lid enhances security—though the lock itself is not included. Its tool-free, quick assembly makes it accessible for most users, and the reinforced panels ensure durability over time. Compared to larger options like the Greesum or Keter, it’s less suitable for bulky gear but excels in tight spaces or entryways. Its limited capacity means it’s best for those prioritizing a secure, compact storage option that’s easy to set up and move around.

    Pros:
    • Weatherproof and UV-resistant construction
    • Secure lockable lid for safety
    • Easy to assemble without tools
    • Durable, crack- and warp-resistant panels
    Cons:
    • Lock not included, requiring separate purchase
    • Limited capacity for larger items

    Best for: Budget-conscious users needing a small, secure storage solution for garden tools or cushions

    Not ideal for: People with large outdoor storage needs or heavy equipment

    • Capacity:30 gallons
    • Material:Resin
    • Color:Black
    • Weatherproof:Yes
    • Lockable:Yes (lock not included)
    Our verdict
    “This compact, budget-friendly option suits users with small storage needs and limited space.”
lockable outdoor storage boxes with a lock
What makes a great lockable outdoor storage boxes with a lock
1
Size and Capacity
Size is often the first consideration; a box that’s too small won’t meet your storage needs, but a box that’s too large could be c
2
Weather Resistance and Durability
Outdoor boxes face rain, sun, and temperature fluctuations, making weather resistance a crucial factor.
3
Lock Security and Type
The strength and type of lock determine how secure your stored items are.
4
Material and Construction
Materials influence both durability and maintenance.
How to choose your lockable outdoor storage boxes with a lock
1
How we picked
These products were evaluated based on a combination of criteria including build quality, weather resistance, lock secur
2
Size and Capacity
Size is often the first consideration; a box that’s too small won’t meet your storage needs, but a box that’s too large
3
Weather Resistance and Durability
Outdoor boxes face rain, sun, and temperature fluctuations, making weather resistance a crucial factor.
4
Lock Security and Type
The strength and type of lock determine how secure your stored items are.
5
Material and Construction
Materials influence both durability and maintenance.
Vetted lockable outdoor storage boxes with a lock ·
The best lockable outdoor storage boxes with a lock, compared
★ Winner YITAHOME 35 Gallon Outdoor Sto
Best Overall
15compared
150 gallonstop capacity
4colors

How We Picked

These products were evaluated based on a combination of criteria including build quality, weather resistance, lock security, size capacity, and ease of use. We prioritized models with durable materials suitable for outdoor conditions and locks that offer meaningful security without sacrificing practicality. Our ranking also considered customer reviews and overall value, balancing affordability with quality. This approach ensures that each product serves a specific need, from basic storage to high-security outdoor solutions, helping buyers find options aligned with their priorities.

Factors to Consider When Choosing Lockable Outdoor Storage Boxes With A Lock

Choosing the right lockable outdoor storage box involves more than just picking the highest capacity or the cheapest option. Key factors include weather resistance, lock security, size, and material durability. Understanding these factors helps prevent common mistakes like underestimating weather effects or selecting a lock that’s easily defeated. The right storage box should strike a balance between security, usability, and longevity, especially if it will face harsh outdoor conditions.

Size and Capacity

Size is often the first consideration; a box that’s too small won’t meet your storage needs, but a box that’s too large could be cumbersome or take up valuable space. Think about what you plan to store—garden tools, cushions, pool supplies—and choose a capacity that comfortably fits this. Larger boxes usually cost more and require more space, so measure your designated area carefully before purchasing.

Weather Resistance and Durability

Outdoor boxes face rain, sun, and temperature fluctuations, making weather resistance a crucial factor. Look for materials like resin or high-density polyethylene, which resist rust and rot, unlike wood or metal that can corrode or decay. UV resistance extends the lifespan by preventing sun damage, especially important for long-term outdoor use. Investing in a well-made, weatherproof box can save money on replacements and maintenance.

Lock Security and Type

The strength and type of lock determine how secure your stored items are. Some boxes feature integrated keyed locks, while others rely on padlocks or combination locks—each with its pros and cons. Consider the security level you need; for high-value items, a lock that’s resistant to tampering is essential. Also, check if the lock is easy to operate, especially if multiple users need access.

Material and Construction

Materials influence both durability and maintenance. Resin and plastic models are lightweight and weatherproof but may look less premium. Metal options are sturdy but can be prone to rust if not properly coated. Pay attention to construction details like reinforced hinges and secure locking mechanisms. A well-built box reduces the risk of breakage or forced entry over time.

Ease of Access and Use

Think about how easily you can open, close, and lock the box. Some models feature gas struts or hydraulic hinges for smooth operation, while others may require more effort. Consider whether the lock mechanism is user-friendly, especially if multiple people will access the box regularly. A complicated locking system or heavy lid can be frustrating over time, impacting daily usability.

Frequently Asked Questions

Will a lockable outdoor storage box keep my valuables safe from theft?

A lockable outdoor storage box can deter casual theft and prevent unauthorized access, especially if it has a strong lock. However, no outdoor lock is completely theft-proof; determined intruders might force entry or cut through weaker locks. For high-value items, consider additional security measures like surveillance or placing the box in a well-lit, monitored area.

Can I store electronic devices in these outdoor storage boxes?

While some lockable outdoor boxes are waterproof and weather-resistant, they are not specifically designed to protect electronics from moisture or extreme temperatures. If you plan to store electronics, choose a box with high waterproof ratings and consider adding moisture absorbers or using a secondary waterproof container inside the box. Always verify the product’s water resistance ratings before storing sensitive items.

How do I prevent my outdoor storage box from fading or cracking over time?

Choosing a box made from UV-resistant materials like high-grade resin or polyethylene helps prevent fading and cracking caused by sun exposure. Regular cleaning and applying UV protectant sprays can extend the lifespan. Positioning the box in a shaded area or under cover also reduces direct sunlight, further protecting its appearance and structural integrity.

Is a larger storage box worth the extra cost and space?

Larger boxes provide more storage flexibility and can reduce the need for multiple containers, offering better value over time. However, they require more space and can be heavier or more difficult to move. Consider your actual storage needs and available space carefully—oversized boxes might become cumbersome if they don’t fit comfortably in your outdoor area.

Are lockable outdoor storage boxes suitable for storing delicate items?

Most outdoor storage boxes are designed to be durable and weatherproof but are not specifically made to protect delicate or sensitive items from impacts or extreme conditions. For fragile items, consider adding internal padding or using a secondary waterproof container. Always verify the storage box’s interior dimensions and features to ensure they meet your specific needs.

Conclusion

The best overall lockable outdoor storage box for most buyers is the YITAHOME 35 Gallon Outdoor Storage Box thanks to its combination of durability, weather resistance, and secure lock features. Those seeking the best value might prefer the Rubbermaid ActionPacker, which offers rugged security at a lower price point. For premium needs or larger capacities, the Keter 150 Gallon Resin Deck Box provides ample space and robust construction. Beginners or casual users should focus on ease of use and weatherproofing, while those with high-security concerns might prioritize reinforced locks and materials. Tailor your choice based on your storage size needs, security level, and outdoor conditions for the best results.

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