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Highest-Rated Boat Repair & Maintenance in Washington (2026)

Finding reliable Boat Repair & Maintenance in Washington means trusting the numbers — ratings and review volume tell the story of which contractors consistently deliver. This list highlights ten Washington-based marine service pros whose track records stand out across hundreds of verified customer reviews. Browse their specialties, compare their reputations, and request a free quote to get started.

By Boatwork in Washington·10 pros·1107 lists by this author·June 12, 2026·Updated July 9, 2026
10 pros
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 ThoughtsRated 4.8 across 80 reviews, La Conner Maritime Service covers a wide range of work including engine repair, bottom painting, fiberglass and gelcoat repair, and full boatyard services.
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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 53 reviews averaging 4.2 stars and 40-plus years in business, Anchor Marine Repair brings long-running experience in engine repair, fiberglass work, and general boat repair and 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 holds a 4.6 rating from 59 reviewers, with specialties spanning engine repair, marine electrical and electronics, and generator 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 carries a 4.5 rating from 70 reviews, handling engine repair, boat detailing, bottom painting, and fiberglass and gelcoat repair.
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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's 4.8 rating is backed by 86 reviews — the highest review volume on this list — and the shop has been in business for over 36 years.
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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 earns a 4.6 rating from 34 reviews, offering hull and bottom cleaning, engine repair, bottom painting, and fiberglass and gelcoat 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, though from 20 reviews — a strong signal worth noting, with services covering engine repair, bottom painting, fiberglass repair, and full boatyard work.
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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 ThoughtsRated 4.6 from 24 reviews and operating for 41-plus years, Bellingham Marine Repair covers boat carpentry, engine repair, marine electrical and electronics, and full boatyard services.
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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 ThoughtsPacific Fiberglass brings 37-plus years of experience and a 4.6 rating from 21 reviews, focusing on fiberglass and gelcoat repair, bottom painting, boat carpentry, and engine repair.
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The Boat Shop PNW logo

The Boat Shop PNW

4.8(16)
(253) 508-4988Lake Tapps, WAGet Directions
Lake Tapps, WABoat Hauling & TransportBoat Mechanics & Engine RepairBoat Detailing & Cleaning

About The Boat Shop PNW

Nestled in the Lake Tapps, Washington area, The Boat Shop PNW brings over 25 years of combined sales and service experience to the Pacific Northwest marine community. This full-service facility specializes in speed boats, pontoon boats, and jet skis, offering everything from routine maintenance to complete restoration projects. Their team...

My ThoughtsThe Boat Shop PNW has a 4.7 rating from 15 reviews and cites 125-plus years in business, offering boat hauling and transport, engine repair, detailing, and jet ski repair and service.
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