Plumbing Experts

Marine plumbing service keeps your vessel’s freshwater, fuel, and sanitation systems operating safely and efficiently. Marine Masters provides professional marine plumbing service in Seattle, Tacoma, and across Puget Sound, working on everything from small day boats to large cruising yachts. From yacht plumbing systems and tank installations to marine sanitation service and leak repairs, every job is completed to factory standards for long-term reliability on the water.



Boat plumbing repair is needed when you notice slow water flow, leaking hoses, fuel odors, clogged heads, failing pumps, or inconsistent water pressure. Yacht plumbing repair is also important before long trips, after purchasing a vessel, or when upgrading aging systems. If you’re searching for marine plumbing near me in Puget Sound, fast service and accurate diagnostics can prevent water damage, contamination, and unexpected downtime at the dock.

Proper marine plumbing service requires pressure testing, hose inspections, tank cleaning, pump servicing, and the use of marine-grade fittings and clamps. Marine Masters handles boat freshwater system repair in Seattle, fuel line replacement, sanitation hose upgrades, and full plumbing system refits with safety and performance in mind. From emergency fixes to complete system upgrades, every project is done so you can cruise with confidence.


Start by completing the 'Get a Free Quote' form on our website to share your Plumbing needs with us.

Next, we'll arrange a property visit at a time that works for you to provide an in-person estimate for your Plumbing needs.

After you approve our estimate, we'll schedule a date to complete the job. Our team will work hard to exceed your expectations!
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Sun: Closed
Mon: 9:00am - 5:00pm
Tue: 9:00am - 5:00pm
Wed: 9:00am - 5:00pm
Thu: 9:00am - 5:00pm
Fri: 9:00am - 5:00pm
Sat: 9:00am - 5:00pm