Marine Water Tank

Custom Marine Water Tanks

Every boat setup is different. That’s why we build custom marine tanks designed to fit your space, not fight it. Each tank is molded in a single piece using FDA-approved polyethylene, so your water stays safe and your tank stays solid.

These tanks are perfect for sailboats, yachts, fishing boats, and other marine vessels. They're corrosion-resistant, crack-resistant, and made for long-term use on the water. We place the openings where you need them and include spin-weld fittings for a clean, secure connection to your plumbing setup. No leaks. No stress. Just a tank that works.

Marine Water Tanks

Marine Fresh Water Tanks

FDA-approved polyethylene tanks for potable water. Seamless and leak-resistant, ideal for boats, RVs, graywater, and ballast use. Custom spin-weld fittings included.

Marine Holding Tanks

Resilient polyethylene tanks for graywater, black water, and marine waste. FDA-approved, leak-proof, and built for long-term reliability in boats and RVs.

Marine Black Water Tanks

Coast Guard-compliant black water tanks for marine waste systems. Made for durability, clean fitment, and secure waste storage on boats.

Additional Products

Storage Compartments

Rotomolded poly compartments for secure, organized storage on land or water. Available in multiple sizes and shapes.

Battery Box

Heavy-duty battery boxes built to handle marine conditions. Prevents tipping, shorting, and corrosion for safe battery protection.

Custom Roto Mold Tanks

Space-saving custom tanks for marine, RV, or utility use. Built for harsh conditions with long-lasting polyethylene construction.