The Oceansouth Boat Seat Boxes with Waterproof Storage Hatch deliver a smart combination of strength, practicality, and style. Built from UV-treated, marine-grade ABS plastic, these seat boxes are engineered to withstand years of exposure to sun, saltwater, and heavy use. Their heavy-duty construction, combined with stainless steel hardware and a watertight seal, ensures reliable performance while protecting your gear from the elements.

Beyond durability, these seat boxes provide true on-board functionality. The integrated waterproof hatch and compartment offer a safe, dry place to stow fishing tackle, personal flotation devices (PFDs), tools, phones, keys, and other safety essentials. The smooth, clean white finish and subtle tapered design give the boxes a sleek, professional appearance.

Available in two heights to suit different deck layouts, they are designed for easy installation and are compatible with Oceansouth boat seats as well as most other seating systems.

Whether used as a primary seating base or as an upgrade to add secure waterproof storage, Oceansouth’s Boat Seat Boxes are a dependable choice for boat owners looking to maximize space, comfort, and protection on the water.

With their rugged marine-grade construction, integrated watertight storage, and versatile seating compatibility, the Oceansouth Boat Seat Boxes offer boaters the ideal combination of seating comfort and practical storage.

Choose either the compact 16.3" version or the taller 20.5" option, both designed to deliver strength, reliability, and convenience for years to come.

Waterproof Storage Hatch

• Raised Hatch Door – Sits 0.6" proud of the mounting surface for a secure, watertight closure.
• Secure Installation – 8 fixing points with #8 stainless-steel screws included for a strong, leak-resistant fit.
• Full-Width Opening – Provides easy access to internal storage.
• Ample Internal Space – Keeps tackle, gear, and safety equipment close at hand while protecting them from spray and rain.

Secure Mounting System

• Base Footprint: 17.3" × 17.3"
• Fastening Points: 12 × self-tapping stainless steel screws included for solid deck installation.
• Swivel System: Comes with a standard 7" black metal swivel (stainless steel bolts included).
• Slider Compatibility: Fully compatible with the Oceansouth Aluminum Seat Slider & Swivel Lock (sold separately) as well as most other third-party seat sliders.

 Additional Benefits & Functionality

• Multipurpose Onboard Storage – Keeps bulky or sensitive gear such as safety flares, electronics, or personal items dry, secure, and out of the way to free up deck space.
• Ergonomic Seating Base – Doubles as a strong, stable seating foundation with swivel functionality for comfortable fishing, navigating, or relaxing.
• Non-Slip Base & Vibration Resistance – Stable footprint with multiple fastening points helps minimize movement and vibration in rough seas.
• Optimized Space Use – Combines two essential functions, seating and waterproof storage, into one footprint, making it ideal for fishing or busier deck layouts.
• Impact & Weather Resistant – Built to withstand knocks, bumps, and prolonged exposure to harsh marine environments.
• Universal Compatibility – Mounting hardware integrates seamlessly with Oceansouth boat seats as well as most other popular marine seating systems.