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Marine Tanks - RV Tanks

Marine Water Tanks | Marine Waste Holding Tanks

At Tank Depot, our marine tanks are designed to handle the unique challenges of life at sea. Crafted from FDA-approved polyethylene plastic, these marine water tanks and marine holding tanks provide durable, seamless storage for freshwater, waste, and septic systems....

With UV-resistant materials and a rotationally molded construction, these tanks meet Coast Guard regulations and are built to withstand harsh marine environments. Whether you’re outfitting a fishing vessel, sailboat, or luxury yacht, our tanks are customizable to meet your specific needs. Choose from marine fresh water tanks, plastic boat tanks, or boat waste tanks, and add fittings in your preferred locations to create a solution that’s perfect for your craft.

Applications for Marine Tanks

Our marine tanks are versatile and cater to a range of users:

Boat Owners
Boat Owners

Keep the fresh water flowing on your boat outings with durable marine fresh water tanks for drinking water and reliable marine holding tanks for safe waste storage.

Fishing Professionals
Fishing Professionals

Use plastic boat tanks to store freshwater for cleaning or as part of a marine waste treatment system for environmentally safe disposal.

Luxury Yacht Operators
Luxury Yacht Operators

Ensure a clean, efficient onboard system with boat waste tanks designed for greywater and blackwater management.

Marine Enthusiasts and DIY Builders
Marine Enthusiasts and DIY Builders

Beginners and experienced boat builders can easily integrate these freshwater marine tanks into their custom projects.

Find the Perfect Marine Tank for Your Vessel

With a wide range of options for marine water tanks and marine holding tanks, Tank Depot has everything you need to upgrade your vessel’s water and waste systems. Explore our full catalog below or contact us for assistance in selecting the right tank for your boat. Let us help you stay prepared for every adventure on the water! Browse our full product listing below. Want a customized solution? Contact Tank Depot and let us handle your open water liquid storage project with the expertise it deserves.

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Shop Types of Marine Tanks

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Capacity Name Diameter Length Width Height SKU Price
Buy 110 Gallon Light Duty Plastic Marine and RV Water or Waste Holding Tank by Ronco Plastics for only $551.13 110 Gallons Buy 110 Gallon Light Duty Plastic Marine and RV Water or Waste Holding Tank by Ronco Plastics for only $551.13 Ronco Plastics 110 Gallon Light Duty Plastic Marine and RV Water or Waste Holding Tank 50 25 24 R-RVB433 $551.13
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