Best lockable Deck Boxes of 2025

Toby Butcher Avatar
Toby Butcher
Last Updated: 6 Feb 2025

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Lockable deck boxes are a practical and stylish storage solution for outdoor spaces. These boxes come in various sizes and designs, suitable for storing cushions, gardening tools, pool accessories, and more. The lockable feature ensures that your items are safe and secure, even when left unattended. Made from durable materials, these deck boxes can withstand harsh weather conditions and are easy to maintain. With their sleek designs and practicality, lockable deck boxes are an excellent addition to any outdoor setting.

At a Glance: Our Top Picks

TANGZON 400L Waterproof Garden Storage Box Cover #TOP 1
TANGZON 400L Waterproof Garden Storage Box
ftb score rating icon 9.8
YITAHOME Waterproof Garden Storage Box with Lid Cover #TOP 2
YITAHOME Waterproof Garden Storage Box with Lid
ftb score rating icon 9.7
YITAHOME Waterproof Garden Storage Box Cover #TOP 3
YITAHOME Waterproof Garden Storage Box
ftb score rating icon 9.5

Top 10 lockable Deck Boxes

TANGZON 400L Waterproof Garden Storage Box

Brown
TANGZON 400L Waterproof Garden Storage Box Cover
TANGZON 400L Garden Storage Box, Waterproof Outdoor Storage Deck Box with Lockable Cover, Patio Deck Boxes Storage Bin for Cushions Pillows Pool Supplies Tools Furniture Sports Equipment, Wood Effect

The TANGZON Garden Storage Box offers immense storage capacity, measuring 128 x 64 x 64cm, perfect for stowing away cushions, garden tools, and sports equipment. Crafted from durable HDPE material, it withstands various weather conditions while keeping your items dry. The humanised design features linked strap hinges and recessed handles, allowing for easy access and mobility. Additionally, the lockable cover enhances security, ensuring your belongings are safe from theft.

What We Like
Large storage capacity
Durable and weather-resistant
Easy to open and move
Lockable for added security
Stylish faux wood design
#TOP 2

YITAHOME Waterproof Garden Storage Box with Lid

PQV9F
Black
380L
YITAHOME Waterproof Garden Storage Box with Lid Cover
YITAHOME Garden Storage Box Waterproof, 380L Large Outdoor Storage Box with Lid, Lockable Patio Deck Boxes with Handles for Garden Tools Cushion Pillows Pool Supplies,120 x 53 x 63cm, Black

The YITAHOME Garden Storage Box offers a generous 380L capacity, perfect for keeping your outdoor space organised. Its lockable design adds security, ensuring your cushions and tools are safe from theft. Made from upgraded waterproof resin, it keeps the interior dry and prevents mould, making it ideal for year-round use. The unique hydraulic rod allows for easy lifting and a soft-close mechanism, preventing any accidental finger injuries while opening or closing the box.

What We Like
Large storage capacity
Waterproof and weather resistant
Lockable for added security
Easy to lift and close
Versatile for various uses
#TOP 3

YITAHOME Waterproof Garden Storage Box

Y858N
Light Brown
380L
YITAHOME Waterproof Garden Storage Box Cover
YITAHOME Garden Storage Box Waterproof, 380L Large Outdoor Storage Box with Lid, Lockable Patio Deck Boxes with Handles for Garden Tools Cushion Pillows Pool Supplies,120 x 53 x 63cm, Light Brown

The YITAHOME Storage Box offers a generous 380L of storage capacity, perfect for keeping your garden tools, cushions, and accessories neatly organised. Its lockable design ensures your belongings are secure, giving you peace of mind. Made from upgraded waterproof resin, this box keeps the inside dry and protects your items from mould, making it ideal for year-round use. The hydraulic rod design allows for easy lifting and a soft close, preventing any accidental finger injuries while in use.

What We Like
Large storage capacity
Lockable for added security
Waterproof and weather resistant
Easy lift and soft close

VonHaus 270L Weatherproof Garden Storage Box

Grey
270L
VonHaus 270L Weatherproof Garden Storage Box Cover
VonHaus Garden Storage Box 270L – Outdoor Utility Chest Organiser – Weatherproof Plastic, Lockable Lid, Sliding Bar Hinge, Carry Handles, Portable – For Garden, Patio, Balcony, Decking – Grey, Black

The VonHaus Garden Storage Box is designed to withstand all weather conditions, ensuring your garden items remain protected. With convenient carry handles, you can easily move this box wherever you need it, whether for storage or access. The aluminium sliding bar hinges allow for smooth opening and closing, making it simple to load and unload your belongings. Plus, the lockable lid provides secure storage for your valuable items or children’s toys, keeping them safe and out of sight until needed.

What We Like
Weatherproof design
Portable with carry handles
Smooth opening and closing
Lockable for security
#TOP 5

COSTWAY 400L Weather Resistant Garden Storage Box

Brown
COSTWAY 400L Weather Resistant Garden Storage Box Cover
COSTWAY 400L/454L/490L Garden Storage Box, Weather Resistant Deck Box with Handles & Lockable Lid, Patio Furniture Storage Chest Cushion Cabinet for Tool Pool Supplies (Brown, 400L)

The COSTWAY Garden Storage Box offers abundant storage with a generous capacity of 400L, perfect for keeping your cushions, garden tools, and pool accessories neatly stored away and out of sight. Crafted from high-quality HDPE, it provides excellent sun protection and is water repellent, ensuring it withstands outdoor conditions. The built-in handles make it easy to transport, allowing you to effortlessly move it between indoor and outdoor spaces. Additionally, the lockable lid enhances security, giving you peace of mind about your stored items.

What We Like
Ample storage space
Durable and weather resistant
Easy to move
Secure lockable lid
#TOP 6

Christow 190L Waterproof Garden Storage Box

Black & Grey
Christow 190L Waterproof Garden Storage Box Cover
CHRISTOW Waterproof Garden Storage Box With Lockable Lid, Plastic Wood Effect Outdoor Storage Box, Aluminium Hinges, 190L

The Christow Storage Box is a versatile 190-litre storage solution for both indoor and outdoor use. Its weather-resistant design ensures that your outdoor essentials, such as cushions and tools, remain dry and protected from dampness. The reinforced lid with aluminium sliding lifts adds durability, allowing you to securely padlock the box for added safety. With an attractive wood grain effect and easy-grip handles, this storage box not only looks good in your garden but also makes it easy for you to move it around as needed.

What We Like
Spacious 190-litre capacity
Weather-resistant material
Durable aluminium hinges
Stylish wood grain finish
Easy to move
#TOP 7

Deuba Marvel+ Outdoor Storage Box

Anthracite
Deuba Marvel+ Outdoor Storage Box Cover
Deuba® Marvel+ Plus by KETER 270 Litre Outdoor Garden Storage Box | 220kg Capacity Bench Seat 71 Gallon Lockable Balcony Patio Furniture Cushion Chest Pillow Box Anthracite Graphite Grey

The Deuba Marvel+ offers a stylish solution for outdoor storage, featuring a robust polypropylene construction that mimics rattan. With a lid capable of supporting up to 220kg, it doubles as extra seating for your garden or patio. The integrated rollers and handles allow you to move it easily, making it convenient for rearranging your outdoor space. Its generous 270-litre capacity ensures ample room for cushions, blankets, or even children's toys, keeping your area tidy and organised.

What We Like
High load capacity
Weatherproof and durable
Easy to move and rearrange
Low maintenance and simple cleaning
#TOP 8

Duramax Cedargrain 270 Litre Garden Storage Box

0638801860044
Warm Taupe
270L
Duramax Cedargrain 270 Litre Garden Storage Box Cover
Duramax Cedargrain Durabox 270 Litre/ 71 Gallons plastic storage box, Outdoor Deck Garden Furniture Organizer, Lockable Lid, Plastic Cushion Box with Wheels and Handles, Patio Box, Warm Taupe

The Duramax Cedargrain Storage Box is an excellent solution for your outdoor storage needs. You can store garden tools, heavy equipment, and even lounger cushions with ease. With wheels on one side and a side handling grip, you will find it simple to move around, even when loaded. The lockable lid ensures your items are secure, and it can hold up to 200 kg, making it ideal for large patio and garden accessories. This stylish and practical storage box truly meets your demands for organisation and convenience.

What We Like
Durable UV resistant material
Lockable for security
Easy to move with wheels
Spacious 270 litre capacity
Stylish design for outdoor use

AIRWAVE 390L Outdoor Storage Box and Bench

EX13012
Light Grey
Medium
AIRWAVE 390L Outdoor Storage Box and Bench Cover
AIRWAVE Outdoor Plastic Garden Storage Box 390L, Weather and Fade Resistant, Lockable, Doubles as Storage Bench, Wood Effect, Indoors/Outdoors (Medium)

The AIRWAVE Outdoor Storage Box offers a generous 390L capacity, perfect for keeping your garden tools, cushions, and games organised and protected from the elements. Constructed from strong polypropylene, it features a stylish wood effect that complements any outdoor setting. With the ability to support up to 200kg on its lid, it can also serve as additional seating during your garden parties. The lockable design provides peace of mind, allowing you to secure your belongings easily while enjoying the convenience of built-in handles for easy relocation.

What We Like
Spacious 390L capacity
Durable, weather-resistant material
Doubles as extra seating
Lockable for added security
Stylish wood effect design

Keter XXL Java Rattan Look Storage Box

Java XXL 230 Gallon Resin
Grey
Keter XXL Java Rattan Look Storage Box Cover
Keter XXL Java Resin Rattan Look Large Outdoor Lockable Storage Deck Box for Patio Furniture Cushions, Pool Toys, Garden Tools, and beach towels - 230 Gallon

The Keter XXL Storage Box offers a generous exterior dimension of 57.5 inches in length, providing ample space for your outdoor essentials. With a remarkable capacity of up to 230 gallons, you can easily store large items like patio cushions and pool toys. Its durable resin construction ensures that it withstands the elements without rusting or peeling, making it a reliable choice for your garden. The easy-lift hydraulic pistons allow for effortless opening and closing, making it user-friendly, even for children.

What We Like
Large storage capacity
Weather-resistant materials
Easy to open and close
Durable and strong
Buying Guide Image
Editor's Notes

During our lockable deck boxes research, we found 107 lockable deck boxes products and shortlisted 10 quality products. We collected and analyzed 50,363 customer reviews through our big data system to write the lockable deck boxes list. We found that most customers choose lockable deck boxes with an average price of £77.05.

The lockable deck boxes are available for purchase. We have researched hundreds of brands and picked the top brands of lockable deck boxes, including TANGZON, YITAHOME, VonHaus, COSTWAY, CHRISTOW. The seller of top 1 product has received honest feedback from 1,356 consumers with an average rating of 4.5.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.