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Leading Boat Mechanics & Engine Repair in Washington (2026)

Finding trusted Boat Mechanics & Engine Repair in Washington means knowing which local pros other owners actually recommend. This list pulls together top-rated contractors across the state, ranked by real ratings and reviews from fellow boaters. If your engine needs attention, request a free quote from a recommended pro near you.

By Boatwork in Washington·10 pros·1107 lists by this author·May 31, 2026·Updated July 21, 2026
10 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 experience to engine repair and generator service — a track record reviewers consistently point to when recommending them.
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La Conner Maritime Service logo

La Conner Maritime Service

4.8(80)
(360) 466-3629La Conner, WAGet Directions
La Conner, WABoat Mechanics & Engine RepairBottom Painting & AntifoulingFiberglass & Gelcoat Repair

About La Conner Maritime Service

Located in the picturesque waterfront community of La Conner, Washington, La Conner Maritime Service operates as a full-service boatyard dedicated to providing comprehensive marine repair and maintenance solutions. The facility has established itself as the preferred choice for yacht brokers, recreational boat owners, and commercial fishermen throughout the Pacific Northwest,...

My ThoughtsLa Conner Maritime Service holds a 4.8 rating from 80 reviews, with owners frequently praising the breadth of services on offer, from engine work to bottom painting and fiberglass repair.
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Anchor Marine Repair logo

Anchor Marine Repair

4.2(53)
(360)457-8822Port Angeles, WAGet Directions
Port Angeles, WABoat Mechanics & Engine RepairFiberglass & Gelcoat RepairChandleries

About Anchor Marine Repair

Established in 1986, Anchor Marine Repair has served the Port Angeles, Washington boating community for nearly four decades. Located on Washington's Olympic Peninsula, this family-owned marine service facility has built a reputation for comprehensive boat repair and maintenance work across a wide range of vessel types and engine brands. Their...

My ThoughtsWith 40+ years in business and a 4.2 rating from 53 reviews, Anchor Marine Repair is a long-standing option for owners needing engine repair, fiberglass work, or general boat maintenance.
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Aaron's Marine Service logo

Aaron's Marine Service

4.6(59)
253-564-1644Tacoma, WAGet Directions
Tacoma, WABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Aaron's Marine Service

Situated in Tacoma, California, Aaron's Marine Service operates as a certified Mercury, MerCruiser, and Volvo Penta dealer specializing in comprehensive marine repair and service. The business has built its reputation on providing year-round care for recreational boaters throughout the region, addressing everything from routine maintenance to complex engine repowers. Their...

What others are saying about Aaron's Marine Service

Across the reviews, Aaron's Marine Service earns recognition for deep technical know-how and a genuine willingness to help customers — whether that means walking someone through a DIY fix, tracking down hard-to-find parts, or solving engine problems...

Reviews sourced from Google

My ThoughtsAaron's Marine Service earns a 4.6 rating from 59 reviews, with reviewers noting the shop's ability to handle engine repairs alongside marine electrical and generator work in one stop.
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Tacoma Marine Repair logo

Tacoma Marine Repair

4.8(89)
253-272-9014Tacoma, WAGet Directions
Tacoma, WABoat Mechanics & Engine RepairBoat Repair & Maintenance

About Tacoma Marine Repair

Operating from their facility on Saint Paul Avenue in Tacoma, Washington, this locally owned and operated marine service center has been serving the Pacific Northwest boating community since 1990. As an authorized Mercury and MerCruiser dealer, Tacoma Marine Repair brings more than 50 years of combined experience in marine engine...

My ThoughtsTacoma Marine Repair is rated 4.8 from 89 reviews — one of the highest review counts on this list — and has been in business for 36+ years, with owners regularly citing reliable, consistent service.
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Cascade Marine Service logo

Cascade Marine Service

4.5(70)
1-425-303-0200Everett, WAGet Directions
Everett, WABoat Mechanics & Engine RepairBoat Detailing & CleaningBottom Painting & Antifouling

About Cascade Marine Service

Situated along the waterfront in Everett, Washington, Cascade Marine Service has built a reputation as a comprehensive marine repair facility serving the Puget Sound boating community. Operating from their location on West Marine View Drive, this full-service shop handles everything from routine tune-ups and basic maintenance to complex outboard rebuilds...

My ThoughtsCascade Marine Service holds a 4.5 rating from 70 reviews, and customers appreciate the range of services available, spanning engine repair, detailing, bottom painting, and fiberglass work.
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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 carries a 4.3 rating from 19 reviews, covering engine repair, marine electrical, and generator service — a solid option for owners looking for multi-discipline mechanical help.
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IM

Islands Marine Center

4.6(34)
(360) 468-3377Lopez Island, WAGet Directions
Lopez Island, WAHull & Bottom CleaningBoat Mechanics & Engine RepairBottom Painting & Antifouling

About Islands Marine Center

Nestled in the San Juan Islands on Lopez Island, Washington, Islands Marine Center serves the Pacific Northwest's boating community with comprehensive marine services. The facility operates as a full-service boatyard catering to vessels of all sizes, from recreational boats to larger yachts navigating the waters of the Salish Sea and...

My ThoughtsIslands Marine Center is rated 4.6 from 34 reviews, with reviewers highlighting the shop's capabilities across hull cleaning, engine repair, bottom painting, and fiberglass work.
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AP

Agate Pass Marine Boatyard

5.0(20)
(206) 817-0295Bainbridge Island, WAGet Directions
Bainbridge Island, WABoat Mechanics & Engine RepairBottom Painting & AntifoulingFiberglass & Gelcoat Repair

About Agate Pass Marine Boatyard

Situated on Bainbridge Island, Washington, Agate Pass Marine Boatyard serves the greater Puget Sound region as a dedicated facility for vessel maintenance, repair, and storage. The boatyard's location provides boat owners throughout the Pacific Northwest with accessible marine services in a working waterfront environment. Their position on Bainbridge Island connects...

What others are saying about Agate Pass Marine Boatyard

Reviewers consistently highlight Bob and his team's exceptional bottom painting expertise, with customers praising their attention to detail and ability to work with aluminum, fiberglass, and other hull materials. The word that comes up again and aga...

Reviews sourced from Google

My ThoughtsAgate Pass Marine Boatyard holds a perfect 5.0 rating from 20 reviews, with owners pointing to strong satisfaction across engine repair, fiberglass, and full-service boatyard offerings.
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Bellingham Marine Repair logo

Bellingham Marine Repair

4.6(24)
(360) 325-3763Bellingham, WAGet Directions
Bellingham, WABoat Carpentry & WoodworkBoat Mechanics & Engine RepairMarine Electrical & Electronics

About Bellingham Marine Repair

Established in 1985, Bellingham Marine Repair has built a reputation as one of the Pacific Northwest's most trusted facilities for comprehensive marine service and vessel construction. Operating from their ideally positioned location in Bellingham's historic Old Town district, the business maintains close proximity to the waterfront, providing efficient access to...

My ThoughtsBellingham Marine Repair is rated 4.6 from 24 reviews and brings 41+ years of experience, with reviewers noting the shop's range across engine repair, marine electrical, carpentry, and full-service boatyard work.
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