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Costa Mesa, CA's Top-Rated Boat Repair & Maintenance (2026)

Finding reliable Boat Repair & Maintenance in Costa Mesa, CA comes down to one thing: a track record you can trust. This list ranks local marine service pros by their ratings and review volume, so you can see at a glance who has earned consistent praise from real boat owners. Compare these top-rated contractors and request a free quote to get your boat back on the water.

By Boatwork in Costa Mesa, CA·10 pros·1107 lists by this author·June 12, 2026·Updated July 8, 2026
10 pros
Maurer Marine logo

Maurer Marine

4.3(60)
(949) 645-7673Costa Mesa, CAGet Directions
Costa Mesa, CABoat Mechanics & Engine RepairFiberglass & Gelcoat RepairBoat Repair & Maintenance

About Maurer Marine

Operating since 1977, this Costa Mesa-based marine dealership has built a reputation serving Southern California's boating community for over 45 years. As a family-owned and operated business, Maurer Marine specializes in inflatable boats, outboard motors, and comprehensive marine repair services. Their facility functions as an authorized dealer for some of...

My ThoughtsRated 4.3 across 58 reviews, Maurer Marine backs that reputation with 49+ years in business, covering engine repair, fiberglass and gelcoat work, and general boat maintenance.
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West Coast Marine Service logo

West Coast Marine Service

4.8(41)
(949) 515-2822Costa Mesa, CAGet Directions
Costa Mesa, CABoat Mechanics & Engine RepairFull Service BoatyardsBoat Repair & Maintenance

About West Coast Marine Service

Operating from Costa Mesa, California, West Coast Marine Service has established itself as a dedicated marine dealership and service center specializing in Yamaha outboard motors and Parker boats throughout Southern California. The business maintains a strategic location that allows them to serve boat owners across the region, with operations spanning...

My ThoughtsWest Coast Marine Service holds a 4.8 rating from 41 reviews, a strong signal of consistent customer satisfaction across engine repair, full-service boatyard work, and general maintenance.
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AM

Advanced Marine Service

4.9(59)
(949) 722-9980Costa Mesa, CAGet Directions
Costa Mesa, CABoat Mechanics & Engine RepairBoat Repair & Maintenance

About Advanced Marine Service

Operating from Costa Mesa, California, Advanced Marine Service has established itself as a dedicated provider of marine repair and maintenance solutions for boat owners throughout Orange County and the surrounding Southern California coastline. While the business maintains a low-profile web presence, their commitment to serving the local boating community reflects...

What others are saying about Advanced Marine Service

Customers repeatedly praise Advanced Marine Service as a family-owned operation led by David, Derek, and Denise who deliver exceptional technical expertise and honest diagnostics. When it comes to service quality, clients consistently highlight their...

Reviews sourced from Google

My ThoughtsWith a 4.9 rating from 59 reviews, Advanced Marine Service combines one of the highest scores on this list with one of the largest review counts — a hard combination to beat.
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Marine Diesel Services logo

Marine Diesel Services

4.5(23)
(949) 612-8180Costa Mesa, CAGet Directions
Costa Mesa, CABoat Surveying & InspectionBoat Mechanics & Engine RepairGenerator Service & Repair

About Marine Diesel Services

Operating out of Costa Mesa, Florida since 1995, Marine Diesel Services has established itself as a specialized diesel service provider dedicated to keeping boats and yachts operational on the water. With nearly three decades of hands-on experience in the marine industry, the company has built its reputation on comprehensive diesel...

What others are saying about Marine Diesel Services

Clients return to Marine Diesel Services for their knowledgeable mechanics and engine expertise, with customers consistently praising the team's ability to diagnose and solve complex problems on everything from twin Mercury outboards to Detroit Diese...

Reviews sourced from Google

My ThoughtsMarine Diesel Services earns a 4.5 rating from 23 reviews and brings 31+ years of experience across diesel engine work, generator service, and boat surveying and inspection.
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Sea & Ski Marine logo

Sea & Ski Marine

4.7(15)
(949) 646-7813Costa Mesa, CAGet Directions
Costa Mesa, CABoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About Sea & Ski Marine

Operating continuously since 1965, Sea & Ski Marine has established itself as one of Southern California's most respected marine service and repair facilities. Based in Costa Mesa, California, this family-owned operation has built its reputation on delivering honest, professional service to the Orange County marine community for nearly six decades....

My ThoughtsSea & Ski Marine carries a 4.7 rating from 14 reviews and draws on 61+ years in business, specializing in engine repair and generator service.
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Advanced Marine Power logo

Advanced Marine Power

4.5(19)
(949) 548-9791Costa Mesa, CAGet Directions
Costa Mesa, CABoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About Advanced Marine Power

Operating from Costa Mesa, California since 1987, Advanced Marine Power has built a reputation as a specialized marine diesel service provider serving the Southern California boating community. With over three decades of hands-on experience, their team of expert marine technicians focuses on delivering quality dockside service for diesel engines, generators,...

What others are saying about Advanced Marine Power

Clients return to Advanced Marine Power for their expertise in diesel engines and generators, with customers praising their knowledge of Yanmar, Onan, and Cummins systems along with reliable parts sourcing. On the service front, reviewers consistentl...

Reviews sourced from Google

My ThoughtsAdvanced Marine Power holds a 4.5 rating from 19 reviews, with 39+ years of experience focused on engine repair and generator service.
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OC Marine Installation logo

OC Marine Installation

4.1(12)
(949) 682-3821Costa Mesa, CAGet Directions
Costa Mesa, CAMarine Electrical & ElectronicsMarine Plumbing & SanitationBoat Repair & Maintenance

About OC Marine Installation

Established in 2010 by Brenton Woolworth, OC Marine Installation has built a reputation as a specialized marine electrical and electronics service provider serving Costa Mesa, California, and the greater Orange County area. With roots in a lifetime of hands-on boating experience spanning destinations from Baja to the San Juan Islands,...

My ThoughtsOC Marine Installation scores a 4.3 from 11 reviews and stands out for a specialty mix that includes marine electrical, plumbing and sanitation, and stabilizer systems — backed by 16+ years in business.
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AM

Amber Marine

3.7(34)
+1 (949) 646-6918Costa Mesa, CAGet Directions
Costa Mesa, CABoat Mechanics & Engine RepairBoat Repair & Maintenance

About Amber Marine

Specializing in Tohatsu outboard engines and comprehensive marine services, Amber Marine has established itself as a trusted resource for boat owners throughout Orange County's coastal communities. Operating from their Costa Mesa location with close proximity to Newport Beach's extensive harbor network, the business has built a reputation around outboard engine...

My ThoughtsAmber Marine has a 3.7 rating drawn from 34 reviews, giving it one of the larger review pools in this group for engine repair and general boat maintenance.
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Alcom Marine Electronics logo

Alcom Marine Electronics

3.7(9)
(949) 515-1727Costa Mesa, CAGet Directions
Costa Mesa, CAMarine Electrical & ElectronicsYacht Engineering & SystemsMarine Project Management

About Alcom Marine Electronics

Operating from Costa Mesa, California since 1969, Alcom Marine Electronics has built a reputation as one of the largest servicing dealers of marine navigation, safety, and communication equipment in the United States. With over five decades of experience, the company has positioned itself as a specialist in providing comprehensive electronics...

My ThoughtsAlcom Marine Electronics carries a 3.7 rating from 9 reviews and leverages 57+ years in business across marine electrical, electronics, and yacht engineering and systems.
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Outdrive Exchange logo

Outdrive Exchange

3.9(16)
(949) 548-2044Costa Mesa, CAGet Directions
Costa Mesa, CABoat Mechanics & Engine RepairBoat Repair & Maintenance

About Outdrive Exchange

Serving the Southern California marine community from their Costa Mesa facility, Outdrive Exchange has built a reputation as a specialized marine service provider focused on sterndrive systems, engines, and comprehensive boat maintenance. Their strategically located boatyard serves boat owners throughout Newport Harbor, Huntington Harbor, and Dana Point Harbor, offering both...

My ThoughtsOutdrive Exchange holds a 3.9 rating from 16 reviews, focusing on boat engine repair and general maintenance for owners needing drivetrain-oriented service.
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