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Reliable Boat Mechanics & Engine Repair in Seattle, WA

Finding reliable Boat Mechanics & Engine Repair in Seattle, WA means knowing which local pros consistently deliver solid work and earn strong reviews. This list brings together seven vetted contractors across the Seattle area, ranked to help you cut through the guesswork. Compare quotes from these trusted pros to find the right fit for your boat and budget.

By Boatwork in Seattle, WA·7 pros·1107 lists by this author·May 31, 2026·Updated July 22, 2026
7 pros
CM

Coastal Marine Engine

4.5(31)
1-206-454-3515Seattle, WAGet Directions
Seattle, WABoat Mechanics & Engine RepairGenerator Service & Repair

About Coastal Marine Engine

Located just inside the Ballard Locks at the heart of Seattle's maritime district, Coastal Marine Engine has served the Pacific Northwest boating community since 1984. The business operates from a strategic location adjacent to Canal Boatyard, providing convenient access to vessels throughout the ship canal, Lake Union, Lake Washington, and...

What others are saying about Coastal Marine Engine

Customers consistently praise Coastal Marine Engine for their exceptional customer service and deep knowledge of Volvo marine engines. Owner Martin and his team, including technicians like Daniel and parts specialist Richard, are frequently highlight...

Reviews sourced from Google

My ThoughtsRated 4.5 across 31 reviews, Coastal Marine Engine brings 42+ years of hands-on experience to engine repair and generator service — a track record that's hard to overlook.
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UM

Union Marine

4.3(19)
206-462-7360Seattle, WAGet Directions
Seattle, WABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Union Marine

Situated on the shores of Lake Union at 2309 N Northlake Way, this full-service marine facility combines a comprehensive boat dealership with a state-of-the-art service center staffed by factory-trained technicians. Union Marine's Seattle location serves as one of six strategically positioned facilities throughout the Pacific Northwest, providing marine repair and...

What others are saying about Union Marine

Union Marine draws both devoted customers who praise their urgent care and expedited repairs, and frustrated ones citing delayed service and poor communication. Whether handling routine annual maintenance or complex outdrive and transom assembly repl...

Reviews sourced from Google

My ThoughtsUnion Marine holds a 4.3 rating from 19 reviews and covers a broad range of work, including marine electrical and generator service alongside core engine repair.
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Pacific Fiberglass logo

Pacific Fiberglass

4.6(21)
206-789-4690Seattle, WAGet Directions
Seattle, WABoat Carpentry & WoodworkBoat Mechanics & Engine RepairBottom Painting & Antifouling

About Pacific Fiberglass

Since opening its doors in 1989, Pacific Fiberglass has built a reputation as one of Seattle's most trusted full-service boat repair and refinishing facilities. Operating from their location inside Canal Boatyard on the Seattle Ship Canal, this established marine service provider has been delivering expert yacht repair, commercial vessel maintenance,...

My ThoughtsWith a 4.6 rating from 21 reviews and 37+ years in business, Pacific Fiberglass stands out for its wide scope — from engine repair to fiberglass, bottom painting, and woodwork.
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SB

Salmon Bay Boat Yard

3.1(7)
1-206-547-0678Seattle, WAGet Directions
Seattle, WABoat Hauling & TransportBoat Mechanics & Engine RepairBoat Detailing & Cleaning

About Salmon Bay Boat Yard

Located at Seattle's historic Fisherman's Terminal, Salmon Bay Boat Yard operates Washington's newest full-service haul-out facility, combining modern equipment with seasoned marine expertise. The boatyard serves vessel owners throughout the Puget Sound region, including Ballard, Bellevue, and surrounding King County communities, offering both facility-based services and mobile repairs delivered directly...

What others are saying about Salmon Bay Boat Yard

Based on customer reviews, Salmon Bay Boat Yard has received serious complaints about their business practices and vessel service quality. Customers report significant overcharges for basic marine work, with one boat owner claiming to pay over $4,500...

Reviews sourced from Google

My ThoughtsSalmon Bay Boat Yard carries a 3.1 rating from 7 reviews and offers a range of services including engine repair, electrical work, hauling, and detailing.
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SB

Seattle Boat Company

4.7(119)
206-633-2628Seattle, WAGet Directions
Seattle, WABoat Mechanics & Engine RepairGenerator Service & RepairMarine AC & Climate Control

About Seattle Boat Company

Situated on the scenic shores of Lake Union at 659 NE Northlake Way, this award-winning dealership and full-service marine facility has built a reputation for keeping boats running throughout the Pacific Northwest. Seattle Boat Company operates multiple locations across the greater Seattle area, including facilities in Bellevue, Kent, and Lake...

What others are saying about Seattle Boat Company

From routine maintenance and winterization to new boat sales and delivery, Seattle Boat Company demonstrates expertise across the full spectrum of boating needs. Whether customers need Cobalt or Malibu service, emergency assistance, or comprehensive...

Reviews sourced from Google

My ThoughtsSeattle Boat Company has a strong 4.7 rating from 119 reviews, though the business currently responds to 0% of leads on Boatwork — worth keeping in mind when comparing options.
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SB

Seaview Boatyard

4.3(50)
206-783-6550Seattle, WAGet Directions
Seattle, WABoat Hauling & TransportBoat Mechanics & Engine RepairMarine Electrical & Electronics

About Seaview Boatyard

Operating from Seattle's historic Ballard maritime district since the early 1980s, Seaview Boatyard has established itself as a comprehensive full-service facility serving recreational boaters, commercial fishermen, and the yachting community throughout Puget Sound. The boatyard's 6701 Seaview Avenue NW location provides direct access to Shilshole Bay, the Ballard Locks, and...

What others are saying about Seaview Boatyard

From major restoration projects on vintage sailboats to routine bottom paint jobs, Seaview Boatyard handles marine work across the full spectrum of complexity and vessel size. Whether customers need mast removal, engine replacement, or cockpit rebuil...

Reviews sourced from Google

My ThoughtsSeaview Boatyard earns a 4.3 rating from 50 reviews and handles engine repair alongside hauling, electrical, and fiberglass work, though it currently shows a 0% lead response rate on Boatwork.
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Lieb Marine Services logo

Lieb Marine Services

4.8(10)
206-284-2820Seattle, WAGet Directions
Seattle, WABoat Hauling & TransportBoat Mechanics & Engine RepairMarine Canvas, Covers & Upholstery

About Lieb Marine Services

Operating from a full-service boatyard in Seattle's Ballard neighborhood since 1986, Lieb Marine Services has built a reputation across Puget Sound for comprehensive yacht repair and boat maintenance spanning nearly four decades. The facility at 1544 NW Ballard Way serves vessel owners throughout Seattle, Tacoma, and King County with convenient...

What others are saying about Lieb Marine Services

Known for tackling the toughest marine problems that leave other shops stumped, Dave at Lieb Marine Services brings decades of experience and diagnostic expertise to every job. What sets them apart is their honest approach - customers consistently me...

Reviews sourced from Google

My ThoughtsLieb Marine Services holds a 4.8 rating from 10 reviews, covering engine repair, electrical, hauling, and canvas work — note that it currently responds to 0% of leads on Boatwork.
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