Sinks, Sink Drains & Accessories

Sinks, Sink Drains & Accessories for RV, Marine & Beyond

Whether you're outfitting a motorhome galley, a freshwater boat cabin, or a utility workspace, a well-chosen sink and a properly functioning drain system are essential to everyday comfort and hygiene. Unlike residential plumbing, RV and marine environments demand components that can handle vibration, compact spaces, limited water supplies, and exposure to the elements — making the right sink and drain choice more critical than it might seem at first glance.

What's in This Category?

This category covers a broad range of products designed to manage water at the point of use in mobile and marine applications. You'll find:

• Drop-in and single-bowl sinks sized for tight countertop cutouts in RV bathrooms and kitchens
• Stainless steel and ABS plastic sink basins suited for everything from weekend camping trips to full-time living
• Sink drains and strainers — pop-up stoppers, strainer baskets, and drain adapters that control water flow and prevent clogs
• Drain adapters and connectors that tie your sink drain into the broader waste plumbing system
• Replacement parts and accessories such as gaskets, mounting hardware, and basin stoppers

Choosing the right sink goes beyond aesthetics. In an RV or boat, the depth of the basin, the number of faucet holes, and the dimensions of the countertop cutout all have to align precisely. On the drain side, material quality matters enormously: a poorly sealing drain can introduce odors from the waste system into your living space, while a flimsy strainer basket can allow debris to clog your gray water plumbing downstream.

Top Brands in Sinks, Sink Drains & Accessories

LaSalle Bristol is one of the most recognized names in RV plumbing, offering a comprehensive lineup of sinks, drains, and drain accessories purpose-built for the factory-built housing and recreational vehicle industries. Their products range from ABS plastic and stainless steel drop-in sink basins to pop-up drain stoppers, strainer basket drains, and drain pipe adapters — all engineered for the compact and demanding conditions of RV living.

Sea-Dog Line brings decades of marine hardware expertise to the sink and plumbing accessories space, making them a go-to choice for boat owners who need components built to withstand saltwater environments, constant moisture, and the rigors of life on the water.

Elkay is a legendary American sink manufacturer with over a century of experience crafting high-quality stainless steel sinks. Their basins are known for durability, corrosion resistance, and clean design — bringing residential-grade quality to utility and specialty applications alike.

What to Consider When Shopping

Before selecting a sink or drain, measure your existing cutout carefully — even small dimensional differences can require modifications to the countertop. Consider the material: stainless steel holds up to heavy use and resists corrosion, while ABS plastic is lightweight and easier to install. For drains, pay close attention to the pipe diameter and thread type to ensure compatibility with your existing waste system. When in doubt, matching your drain brand to your sink brand is often the easiest path to a leak-free installation.