If there’s an RV or marine water tank available in stainless steel, or aluminum, we can fabricate the same shape and size container out of lighter-weight plastic materials, including:
When a standard tank doesn’t match your boat’s layout, Miller Plastic Products can fabricate marine water tanks around your available space, capacity needs, and fitting locations. Our team can work from drawings, measurements, or tank builder details to create a plastic tank that fits the application without adding unnecessary weight.
Custom fabrication can help when a boat has limited clearance, specific mounting needs, or connection points that standard tanks don’t support. Each tank starts with high-quality plastic and precise fabrication, resulting in smooth edges, dependable welds, and a finished product built for long-term use.
For freshwater or wastewater systems, marine water tanks need the right shape, material, and construction to support reliable storage on board. Miller Plastics also creates marine water storage tanks for boats that require specific dimensions, fittings, or placement.
Request a quote for a custom marine holding tank from Miller Plastic Products below. These custom fabricated tanks start at $1,491.
The kinds of plastic tanks we can fabricate to your exact specifications include:
Fresh Water Tanks
Wastewater Tanks
Grey Water Tanks
We offer a wide selection of custom plastic marine water tanks, marine waste holding tanks, and RV tanks in any size or shape to fit your need. Our tanks can also be heated for use in freezing weather. The kinds of marine tanks we can fabricate to your exact specifications include:
Get A Custom Plastic Tank Quote
We offer free design assistance and can provide 2D or 3D drawings using AutoCAD and SOLIDWORKS
