7 Best Waterproof Storage Trunks For Outdoor Boat Collections

Salt air, crashing waves, and erratic weather patterns turn a simple day on the water into a logistical challenge for any boat owner. Keeping safety gear, snacks, and extra layers dry requires more than just a standard plastic bin; it demands specialized storage solutions. This guide helps navigate the market to ensure equipment remains protected, accessible, and secure throughout the season.

Rubbermaid ActionPacker: Built Tough for Docks

When space on the deck is at a premium, the ActionPacker stands out as a reliable workhorse for many boaters. Its reinforced walls are specifically designed to withstand the heavy-duty treatment often found in high-traffic storage areas or exposed docks.

The latching mechanism creates a firm seal that keeps out dust and moisture, though it is not technically submersible. This makes it a perfect choice for storing life vests, ropes, or cleaning supplies that need protection from sea spray but don’t require an airtight environment.

For the price, the durability is difficult to beat, making it a smart investment for families who prefer a “set it and forget it” storage solution. It functions best when placed in a semi-protected area of the boat or garage where quick access is the primary goal.

Plano Sportsman’s Trunk: Best for Bulky Gear

Families often struggle to find storage for oversized items like seat cushions, heavy rain slickers, or inflatable tubes. The Plano Sportsman’s Trunk offers a high-volume interior that makes organizing these cumbersome objects straightforward and efficient.

While it lacks the heavy-duty metal hinges of more expensive industrial models, the molded plastic construction is incredibly lightweight. This allows the user to move the trunk around the vessel easily, even when it is fully loaded with damp equipment.

Because the lid sits securely over the base, it keeps rain and salt air out effectively for everyday use. It remains an ideal selection for those who need a large, budget-friendly capacity without the bulk of professional-grade utility cases.

YETI LoadOut GoBox: Ultimate Waterproof Security

For expensive electronics, cameras, or vital emergency documents, the YETI LoadOut GoBox provides a level of protection that cheaper alternatives simply cannot match. It is designed to be dustproof, waterproof, and virtually indestructible under normal use.

The interior organization includes dividers and a removable gear tray, which helps keep smaller items from sliding around during rough waters. It is the gold standard for those who prioritize the safety of their contents above all else.

While the price point is significantly higher, the peace of mind offered by its hermetic seal is invaluable for valuable goods. Expect this trunk to remain functional for years, provided the seal is kept clean of sand and grit.

Sterilite Footlocker: An Affordable, Simple Pick

Not every item on a boat requires military-grade protection, and the Sterilite Footlocker proves that simple functionality still holds a place on the water. It offers a low-cost way to keep spare towels, sunscreen, and snacks organized in a dry environment.

The design is minimalist, featuring sturdy latches and wheels that make transporting gear from the car to the dock a breeze. It serves as a great secondary storage unit for items that are frequently rotated or updated.

However, the plastic is thinner than premium options, so avoid stacking heavy items on top of it. It serves the needs of the casual weekend boater best, providing an accessible way to keep things tidy without a large initial investment.

Pelican 1650 Protector Case: For Heavy Gear

When the mission requires absolute protection against extreme elements, the Pelican 1650 is the industry benchmark. This case features a watertight O-ring seal and an automatic pressure equalization valve, ensuring that contents remain dry even if the case is briefly submerged.

It is heavier than other trunks on this list, making it better suited for gear that needs to be stored for extended periods rather than moved daily. It is frequently chosen by boaters carrying high-end fishing reels or sensitive marine navigation tools.

While the cost is a significant factor, the lifetime guarantee provided by the manufacturer is a testament to its long-term value. For serious boaters, this is often the final storage case they will ever need to purchase.

Contico Storage Locker: A Classic, Reliable Choice

The Contico Storage Locker is a familiar sight in garages and boat holds across the country, favored for its no-nonsense design and deep internal capacity. It is specifically shaped to fit into tight corners, making it a practical choice for smaller cabin cruisers.

It is built to be impact-resistant and is rugged enough to handle being tossed around during a busy day on the water. The stackable design allows for better space management if multiple lockers are needed for a longer trip.

It occupies a middle ground in terms of price and durability, making it an excellent all-rounder for most household needs. It is best used for storing non-sensitive gear like boat shoes, ropes, and cleaning rags.

Cabela’s Action Tailgater Box: For Anglers

Designed with the outdoor enthusiast in mind, the Cabela’s Action Tailgater Box excels at keeping fishing tackle and outdoor accessories organized. The layout is optimized for accessibility, ensuring that specific tools are always within reach when needed.

It features a durable construction that can handle exposure to the elements and frequent use in harsh fishing environments. The handles are ergonomically designed, which is a major advantage when carrying heavy tackle boxes or bait supplies.

It is a specialized tool, but it fits perfectly into the lifestyle of those who treat fishing as a central part of their boat outings. Choosing this box demonstrates a preference for functional organization over general-purpose storage.

How to Pick the Right Size Trunk for Your Boat

Before making a purchase, measure the exact footprint of the available storage space on your boat. Remember to account for the clearance needed to open the lid fully, as many hinges require extra room at the rear to swing open correctly.

Consider the weight of the items intended for the trunk. A massive trunk filled with heavy gear may become impossible to lift once stored in a tight cabin or under a seat.

• Small (under 30 gallons): Best for emergency kits, snacks, and small electronics.
• Medium (30–50 gallons): Ideal for PFDs (life jackets) and spare clothing.
• Large (over 50 gallons): Reserved for bulky gear like cushions, tubes, or heavy tools.

Waterproof vs. Water-Resistant: What to Know

Understanding the difference between these two terms is crucial for keeping belongings safe. Water-resistant items can handle light splashes and rain but will eventually leak if left in standing water or heavy rain.

Waterproof containers, such as those with rubber gaskets, create a hermetic seal. These are the only choice for items that must remain dry in the event of a wave washing over the deck or the container falling overboard.

Always inspect the rubber gasket for hair, sand, or salt buildup, as even a waterproof box will leak if the seal is compromised. Keeping the gasket clean is the single most important maintenance task for these high-end units.

Tips for Securing and Locking Your Boat Trunk

Security is just as important as waterproofing, especially for boats docked at public marinas. Many high-quality trunks feature reinforced padlock holes that are essential for deterring theft of expensive onboard gear.

Use stainless steel or marine-grade padlocks to ensure the mechanism does not rust or seize up from exposure to salt air. Regularly spray the lock with a corrosion inhibitor to keep it functioning smoothly through the entire season.

If the trunk is meant to stay on the boat permanently, consider using stainless steel hardware to bolt it down to the deck or a bulkhead. This prevents the trunk from sliding during rough seas and adds an extra layer of security against theft.

Choosing the right storage trunk is an investment in the longevity and organization of your marine gear. By selecting a model that matches your specific storage space and the sensitivity of your equipment, you ensure that your time on the water is focused on enjoyment rather than managing messes.