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Top Marine Electrical & Electronics for Larger Boats in San Diego, CA (2026)

Finding reliable Marine Electrical & Electronics specialists in San Diego, CA is critical for keeping complex onboard systems running safely and efficiently. This list highlights ten vetted local contractors — many covering generator service, yacht engineering, and full systems work alongside electrical — ranked to help owners of larger vessels find the right fit. If your boat needs attention, request a free quote from a capable pro below.

By Boatwork in San Diego, CA·10 pros·674 lists by this author·June 11, 2026
10 pros
Continental Maritime of San Diego logo

Continental Maritime of San Diego

4.4(16)
1-619-234-8851San Diego, CAGet Directions
San Diego, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsYacht Engineering & Systems

About Continental Maritime of San Diego

Operating from a waterfront facility on Bay Front Street in San Diego, Continental Maritime of San Diego brings decades of specialized marine repair and engineering expertise to military and commercial vessels throughout Southern California. As a certified Master Ship Repair Contractor and Titan company, the business has built a substantial...

What others are saying about Continental Maritime of San Diego

Continental Maritime of San Diego operates as a small repair shop specializing in navy boat services. Customers consistently praise the business with excellent ratings, and they appear to handle industrial marine repairs at shipyard facilities. The l...

Reviews sourced from Google

My ThoughtsCovers Marine Electrical & Electronics alongside Yacht Engineering & Systems and Boat Mechanics, making them a practical option for larger vessels with integrated systems. Rated 4.4 from 16 reviews.
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Royal Marine logo

Royal Marine

5.0(61)
6199047192San Diego, CAGet Directions
San Diego, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Royal Marine

Operating from San Diego, California, Royal Marine has established itself as a comprehensive yacht and boat repair service provider offering both mobile and facility-based marine maintenance solutions. The business caters to vessel owners throughout the San Diego area with a versatile service model that includes mobile dockside repairs, work at...

What others are saying about Royal Marine

Clients return to Royal Marine for their exceptional reliability and comprehensive expertise across all types of marine work. From routine engine maintenance and outboard servicing to complex projects like complete engine swaps and challenging instal...

Reviews sourced from Google

My ThoughtsSpans Marine Electrical & Electronics, Generator Service & Repair, and Yacht Management, with a perfect 5.0 rating across 61 reviews — one of the stronger review profiles on this list.
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First Watch Marine logo

First Watch Marine

4.7(25)
(619)916-1730San Diego, CAGet Directions
San Diego, CABoat Surveying & InspectionBoat Mechanics & Engine RepairMarine Electrical & Electronics

About First Watch Marine

Operating in San Diego, California, First Watch Marine has established itself as a dual-specialty marine service provider focused on Mercury Marine propulsion systems and comprehensive vessel electrical and systems work. As a Mercury Marine Authorized Premier dealership, the business holds certifications to service the complete range of Mercury products, including...

My ThoughtsRated 4.7 from 25 reviews, First Watch Marine pairs Marine Electrical & Electronics with Boat Surveying & Inspection and Mechanics, offering broad diagnostic and repair coverage.
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SM

Seatech Marine Products

4.8(141)
(619) 222-9613San Diego, CAGet Directions
San Diego, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Seatech Marine Products

Operating from their San Diego, California headquarters, Seatech Marine Products has established itself as a comprehensive supplier of marine-grade equipment and systems for boat owners and marine professionals throughout the region. The company specializes in providing a wide array of products ranging from essential boat steering components and bow thrusters...

My ThoughtsWith 141 reviews and a 4.8 rating, Seatech Marine Products brings depth across Marine Electrical & Electronics, Generator Service & Repair, and Bow Thrusters — relevant capabilities for larger, more complex boats.
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Romaine Electric logo

Romaine Electric

4.7(16)
800-541-8307Chula Vista, CAGet Directions
Chula Vista, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Romaine Electric

Operating continuously since 1921, Romaine Electric Corporation has established itself as a specialized provider of rotating electrical equipment services across the Western United States. With over a century of hands-on experience in the marine and industrial sectors, their San Diego location in Chula Vista serves as a critical hub for...

My ThoughtsRomaine Electric has been in business for over 105 years and holds a 4.7 rating from 16 reviews, covering Marine Electrical & Electronics and Generator Service & Repair.
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Nielsen Beaumont Marine logo

Nielsen Beaumont Marine

4.3(20)
619-223-2628San Diego, CAGet Directions
San Diego, CABoat Carpentry & WoodworkMarine Electrical & ElectronicsBottom Painting & Antifouling

About Nielsen Beaumont Marine

Operating from San Diego's waterfront, Nielsen Beaumont Marine has built a reputation for delivering yacht-quality craftsmanship and meticulous attention to detail across government, defense, and private marine sectors. The company serves a diverse clientele that ranges from individual boat owners to United States Navy vessels, demonstrating versatility and technical expertise...

My ThoughtsNielsen Beaumont Marine handles Marine Electrical & Electronics alongside Fiberglass & Gelcoat Repair, Bottom Painting, and Carpentry, making them a multi-trade option for owners managing broader refit work. Rated 4.3 from 20 reviews.
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5S

5 Star Electric San Diego

4.9(64)
(619) 432-6327San Diego, CAGet Directions
San Diego, CAMarine Electrical & Electronics

About 5 Star Electric San Diego

Serving the greater San Diego area with a focus on electrical services, 5 Star Electric San Diego has built a reputation for reliable and professional electrical work across residential, commercial, and marine applications. Based in La Jolla, the company brings electrical expertise to one of Southern California's most vibrant coastal...

What others are saying about 5 Star Electric San Diego

Customers repeatedly praise 5 Star Electric San Diego's expertise in handling electrical panel replacements, overloaded circuits, and breaker repairs with professional efficiency. From same-day light installations to complex EV charger setups, review...

Reviews sourced from Google

My Thoughts5 Star Electric San Diego focuses exclusively on Marine Electrical & Electronics and carries a strong 4.9 rating from 64 reviews, indicating consistent satisfaction in that specialty.
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San Diego Marine Performance logo

San Diego Marine Performance

5.0(15)
(619) 246-7880San Diego, CAGet Directions
San Diego, CABoat Surveying & InspectionBoat Mechanics & Engine RepairMarine Electrical & Electronics

About San Diego Marine Performance

Operating out of a state-of-the-art facility in San Diego, California, this specialized marine service provider has built a reputation over 20 years for expert outboard engine replacement and re-powering solutions. San Diego Marine Performance focuses on delivering reliable marine performance services to boat owners throughout Southern California, with particular emphasis...

My ThoughtsRated a perfect 5.0 from 15 reviews, San Diego Marine Performance covers Marine Electrical & Electronics alongside Boat Surveying & Inspection, Mechanics, and Bottom Painting.
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Upgrade Marine logo

Upgrade Marine

4.7(22)
(619) 518-5685San Diego, CAGet Directions
San Diego, CAMarine Electrical & ElectronicsYacht Management

About Upgrade Marine

Based in San Diego, California, Upgrade Marine has established itself as a specialized provider of marine electronics installation and advanced electrical systems for recreational and cruising vessels. The business focuses on delivering certified installation services that meet the technical demands of modern boating, from navigation equipment to comprehensive energy management...

What others are saying about Upgrade Marine

The reviews paint a picture of a business known for exceptional marine electronics installations and solar panel systems that perform flawlessly in real-world cruising conditions. What sets Upgrade Marine apart is their deep technical knowledge—custo...

Reviews sourced from Google

My ThoughtsUpgrade Marine combines Marine Electrical & Electronics with Yacht Management, a pairing that may appeal to owners looking for ongoing oversight alongside technical work. Rated 4.7 from 22 reviews.
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DA

Dennis Allen's Affordable Marine Service

4.4(36)
(619) 578-5979San Diego, CAGet Directions
San Diego, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsMarine Plumbing & Sanitation

About Dennis Allen's Affordable Marine Service

Operating from their centrally located San Diego facility since 1986, Dennis Allen's Affordable Marine Service has built a reputation as one of Southern California's most trusted marine repair specialists. With nearly four decades of hands-on experience servicing power boats ranging from 18 to 35 feet, their team of certified mechanics...

My ThoughtsDennis Allen's Affordable Marine Service brings 40+ years of experience across Marine Electrical & Electronics, Mechanics, Plumbing & Sanitation, and general Repair & Maintenance, with a 4.4 rating from 36 reviews.
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