Best Diving Dry Boxes of 2026

Luke Dobson Avatar
Luke Dobson
Last Updated: 9 Feb 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

For those who enjoy water sports, protecting their belongings from water damage can be a challenge. Diving dry boxes are a solution to this problem. These boxes are designed to keep your valuables safe and dry while you enjoy activities such as diving, snorkelling, and kayaking. They come in various sizes and are made from durable materials that can withstand harsh conditions. Diving dry boxes are a must-have for anyone who wants to keep their phones, cameras, and other personal items safe and secure while enjoying water activities.

At a Glance: Our Top Picks

Lomo Drybox 20 Maxi Size for Sailing Cover #TOP 1
Lomo Drybox 20 Maxi Size for Sailing
ftb score rating icon 9.8
MTM Survivor Large Dry Box with Seal Cover #TOP 2
MTM Survivor Large Dry Box with Seal
ftb score rating icon 9.7
Mares Unisex Adult Black Dry Box Cover #TOP 3
Mares Unisex Adult Black Dry Box
ftb score rating icon 9.5

Top 10 Diving Dry Boxes

#TOP 1

Lomo Drybox 20 Maxi Size for Sailing

Lomo838
Black
Lomo Drybox 20 Maxi Size for Sailing Cover
Lomo Drybox 20 Maxi Size - Sailing Dry Box.

The Lomo Drybox 20 Maxi is designed to keep your gear safe and dry during sailing adventures. With its robust ABS plastic construction, you can trust that it will withstand the rigours of marine environments. The O-Ring seal provides an extra layer of protection against water ingress, ensuring your belongings remain untouched by moisture. Additionally, the padded interior offers cushioning for your equipment, preventing damage. This combination of features makes the Lomo Drybox 20 Maxi an essential companion for any sailor.

What We Like
Durable ABS plastic
Effective O-Ring seal
Padded interior for protection
Compact size for easy storage
#TOP 2

MTM Survivor Large Dry Box with Seal

MTM
S1074-11
Forest Green
MTM Survivor Large Dry Box with Seal Cover
MTM Survivor Dry Box with O-Ring Seal (Forest Green, Large)

The MTM Survivor Dry Box is designed to keep your essentials safe and secure. With its triple latch and O-ring seal, you can trust that your items will remain protected from water and dust, making it perfect for outdoor adventures. The built-in compass and signalling mirror enhance your navigation and safety, ensuring you are prepared in any situation. Additionally, the rugged construction allows you to use it as a reliable geocaching container, offering convenience for your outdoor explorations.

What We Like
Water-resistant and dust-proof
Rugged and durable design
Built-in compass and mirror
Suitable for geocaching
Triple latch for security
#TOP 3

Mares Unisex Adult Black Dry Box

Mares
415727
Black
One Size
Mares Unisex Adult Black Dry Box Cover
Mares Unisex Adult Dry Box - Black, One Size

The Mares Dry Box is a compact and durable solution for your diving needs. With dimensions of 23x18x11cm, it is small enough to carry easily without sacrificing storage space. The robust design ensures that your belongings remain safe and dry, providing peace of mind during your underwater adventures. A convenient lanyard is included for effortless transportation, making it easy to take along on any diving trip. This thoughtful design prioritises user convenience, enhancing your overall diving experience.

What We Like
Compact size for easy carrying
Durable construction for protection
Includes lanyard for convenience
#TOP 4

Lomo Drybox 7 Cylinder Tube Dry Box

Yellow
132 mm diameter
Lomo Drybox 7 Cylinder Tube Dry Box Cover
Lomo Drybox 7. Cyclinder Tube Dry Box

The Lomo Drybox 7 is an essential accessory for anyone who enjoys water activities. It offers a compact design that fits keys and small phones, ensuring you can keep your valuables safe and dry while on your boat. With its O-ring seal, you can trust that your gear will remain protected from water ingress. This dry box is particularly popular with divers, making it a reliable choice for keeping your equipment secure during underwater adventures. At 132 x 50mm, it provides ample internal space without being bulky.

What We Like
Compact size for easy portability
Effective O-ring seal
Ideal for divers
Keeps gear safe and dry
Fits small phones and keys
#TOP 5

Lomo Drybox 16 Mini for Kayaking

Orange
Lomo Drybox 16 Mini for Kayaking Cover
Lomo Drybox 16 Mini Size - Orange. Kayak dry Box

The Lomo Drybox 16 Mini is a robust solution to keep your gear dry during kayaking. Its strong ABS plastic construction ensures durability, making it ideal for outdoor activities. The O-ring seal adds an extra layer of protection against water ingress, ensuring your belongings stay safe and dry. With a padded interior, your items are cushioned, reducing the risk of damage while you paddle. This compact box measures 130mm x 113mm x 55mm, making it easy to store and transport, providing convenience for your adventures.

What We Like
Durable ABS plastic
Waterproof O-ring seal
Padded interior for protection
Compact and portable size
#TOP 6

Cressi 100mm Watertight Dry Box

TA700003
Black - 100mm
100mm
Cressi 100mm Watertight Dry Box Cover
Cressi Dry Box 100mm Black - Watertight Dry Box Store Objects Securely and Protect from Sand, Dust, and Debris, Black, 100mm, Unisex

The Cressi Dry Box is a portable and compact solution for safeguarding your valuables during various water activities. Its lightweight and durable design ensures that you can easily carry it with you, whether you’re scuba diving or simply relaxing at the beach. With its waterproof features, this dry box floats, keeping your items safe from water exposure. You can store important belongings such as cash, credit cards, and keys, allowing you to enjoy your time without worries.

What We Like
Lightweight and portable
Waterproof and durable
Floats on water
Protects valuables from elements
#TOP 7

Lomo Drybox 4 Black Protective Case with Foam

LOMO708
Black
Lomo Drybox 4 Black Protective Case with Foam Cover
Lomo Drybox 4 Black Protective Case Dry Box with Cubed Foam

The Lomo Drybox 4 Case is made from tough ABS plastic, ensuring your belongings stay safe and secure. It features twin closing clips, so you can be confident it will stay firmly shut. Inside, you'll find a removable foam padding system that protects delicate items by absorbing shocks and bumps. The case also comes with a shoulder strap and a soft rubber carry handle grip, making it easy and comfortable to carry wherever you go.

What We Like
Durable ABS plastic shell
Secure twin closing clips
Removable protective foam
Comfortable carrying options
#TOP 8

Lomo Drybox 21 - Waterproof Marine Dry Box

Lomo1259
Black
Lomo Drybox 21 - Waterproof Marine Dry Box Cover
Lomo Drybox 21 - Maxi Plus Size Waterproof Large Marine Dry Box

The Lomo Drybox 21 is designed for those who need reliable protection for their gear while diving or engaging in water activities. Its reinforced hinges ensure durability, while the padded interior keeps your items safe from impact. You can easily secure the box with padlock loops, providing added security for your belongings. In addition, the watertight design means you can confidently drop it into water without worrying about your items getting wet. This combination of features makes it an essential companion for any marine adventure.

What We Like
Durable reinforced hinges
Padded interior for protection
Secure padlock loops
Watertight in most situations
#TOP 9

Nvanvmm 2Pack Pressure-Proof Diving Mask Cases

500093066
Nvanvmm 2Pack Pressure-Proof Diving Mask Cases Cover
Nvanvmm 2Pack Scuba Mask Box Diving Snorkel Mask Storage Case Pressure-Proof Dust-Proof Case

The Nvanvmm Diving Mask Case is designed with a square shape, making it easy for you to stack and organise your diving gear efficiently. Its clear plastic material allows you to quickly see which mask is inside without opening the case, saving time and effort. The sturdy plastic box is built to fit most large diving masks, ensuring your equipment stays safe and secure. Additionally, the lid keeps the case firmly closed, protecting your mask from dust and damage between dives.

What We Like
Stackable square shape
Clear for easy viewing
Fits most large masks
Securely closing lid
Protects mask between dives
#TOP 10

Tbest Small Waterproof Dry Box with Rubber Cushion

SolUptanisu19ynawkbhg-01
Black
Tbest Small Waterproof Dry Box with Rubber Cushion Cover
Tbest Small Case,Dry Box Waterproof,Waterproof Case Waterproof Diving Survival Transport Container Rvable Interior Rubber Cushion for k Hiking Fishing Cam(Black) Dry Box Outdoor fer sm

The Tbest Dry Box is crafted from durable ABS engineering plastics and stainless steel, making it rust-proof and sturdy for outdoor use. Inside, a removable rubber pad protects your items from shocks and collisions, keeping them safe. Thanks to its airtight and waterproof design, you can trust your valuables stay dry and secure even in wet conditions. This box is perfect for storing tools, phones, keys, and more, helping you stay organised and prepared on your outdoor adventures.

What We Like
Durable, rust-resistant materials
Shockproof interior protection
Airtight and waterproof
Organised versatile storage
Buying Guide Image
Editor's Notes

During our diving dry boxes research, we found 287 diving dry boxes products and shortlisted 10 quality products. We collected and analyzed 13,432 customer reviews through our big data system to write the diving dry boxes list. We found that most customers choose diving dry boxes with an average price of £14.16.

The diving dry boxes are available for purchase. We have researched hundreds of brands and picked the top brands of diving dry boxes, including Lomo, MTM, Mares, Cressi, Nvanvmm.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.