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Most Experienced Marine Plumbing & Sanitation in San Diego, CA (2026)

When it comes to Marine Plumbing & Sanitation in San Diego, CA, experience matters — a leaky through-hull or a failing holding tank isn't a job for guesswork. The contractors on this list have built their reputations over years, and in some cases decades, of hands-on work on San Diego's waterways. Browse the rankings and request a free quote from a seasoned local pro today.

By Boatwork in San Diego, CA·10 pros·674 lists by this author·June 12, 2026
10 pros
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 ThoughtsRoyal Marine holds a perfect 5.0 rating across 61 reviews, reflecting consistent results across mechanical, electrical, generator, and yacht management work.
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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 ThoughtsWith 40+ years in business, Dennis Allen's Affordable Marine Service brings deep trade experience to marine plumbing and sanitation alongside mechanics, electrical, and general repair. Rated 4.4 from 36 reviews.
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Lykos Yacht Services & Solutions logo

Lykos Yacht Services & Solutions

5.0(20)
(951) 365-4856San Diego, CAGet Directions
San Diego, CABoat Surveying & InspectionBoat Mechanics & Engine RepairGenerator Service & Repair

About Lykos Yacht Services & Solutions

Operating out of San Diego, California, Lykos Yacht Services & Solutions has built its reputation on a foundation of proactive vessel care and customized maintenance strategies. Their approach centers on protecting both the yacht and the owner's time through dependable management, systematic upkeep, and transparent communication. With ABYC-certified technicians leading...

My ThoughtsLykos Yacht Services & Solutions carries a 5.0 rating from 20 reviews, covering surveying, engine repair, generator service, and yacht management.
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Erling Rohde Plumbing logo

Erling Rohde Plumbing

4.8(20)
858-454-4258San Diego, CAGet Directions
San Diego, CAMarine Plumbing & Sanitation

About Erling Rohde Plumbing

Operating continuously since 1910, Erling Rohde Plumbing stands as one of the longest-serving plumbing contractors in the La Jolla and greater San Diego area. With over a century of experience and more than 300,000 satisfied customers, this family-owned business has built its reputation on reliable service and deep expertise in...

What others are saying about Erling Rohde Plumbing

The reviews paint a picture of a business known for exceptional problem-solving abilities and reliable service across a wide range of plumbing challenges. On the quality front, customers consistently praise team members like Johnny, Juan, and David f...

Reviews sourced from Google

My ThoughtsErling Rohde Plumbing is a standout for longevity, with 116+ years in business and a focused specialty in Marine Plumbing & Sanitation. Rated 4.8 from 20 reviews.
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TM Marine logo

TM Marine

5.0(13)
619-600-2729San Diego, CAGet Directions
San Diego, CABoat Surveying & InspectionBoat Mechanics & Engine RepairGenerator Service & Repair

About TM Marine

Operating as a mobile marine service provider throughout the San Diego area, TM Marine has built a reputation for delivering comprehensive boat maintenance and repair solutions directly to clients' vessels. The business specializes in serving a diverse clientele that includes super yachts, commercial vessels, and both sail and power boats...

What others are saying about TM Marine

Reading through the feedback, one pattern emerges: TM Marine has built their reputation on Thomas's exceptional technical skills combined with genuine care for customers and their vessels. The reviews make clear that this is a shop that delivers hone...

Reviews sourced from Google

My ThoughtsTM Marine earns a 5.0 rating from 13 reviews, offering marine plumbing and sanitation alongside surveying, engine repair, and generator service.
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AT

A to Z Marine Services

4.5(26)
(619) 224-1606San Diego, CAGet Directions
San Diego, CAMarine Electrical & ElectronicsGenerator Service & RepairMarine AC & Climate Control

About A to Z Marine Services

Operating from San Diego, California, A to Z Marine Services has established itself as a specialized marine equipment dealer serving boat owners and marine professionals throughout the region. With a tagline that emphasizes "Your Boat is Our Business," this company has built its reputation on providing comprehensive access to quality...

What others are saying about A to Z Marine Services

The reviews paint a picture of a business known for exceptional customer service and marine expertise. On the service front, customers consistently praise their knowledgeable staff including Robert, Chris, Jamie, and David for going above and beyond,...

Reviews sourced from Google

My ThoughtsA to Z Marine Services holds a 4.5 rating from 26 reviews, covering marine plumbing and sanitation, electrical, generators, and AC and climate control.
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Sun Coast Marine Services logo

Sun Coast Marine Services

5.0(7)
(619) 600-9113San Diego, CAGet Directions
San Diego, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Sun Coast Marine Services

Operating from San Diego's busy harbor for more than two decades, Sun Coast Marine Services has built a reputation as one of Southern California's most reliable mobile marine service providers. The company specializes in comprehensive yacht repair and maintenance, delivering proactive care that keeps vessels turnkey ready for owners who...

What others are saying about Sun Coast Marine Services

Clients return to Sun Coast Marine Services for Warren and his team's expertise in handling everything from emergency leak repairs and electrical panel rewiring to thruster installations and major engine refit work. Whether it's a panicked call about...

Reviews sourced from Google

My ThoughtsSun Coast Marine Services has a 5.0 rating from 7 reviews, with work spanning engine repair, electrical, generator service, and yacht management.
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JY

JC Yacht Services

5.0(6)
(626) 620-0053San Diego, CAGet Directions
San Diego, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsMarine Plumbing & Sanitation

About JC Yacht Services

Serving the San Diego marine community, JC Yacht Services has built a reputation for delivering comprehensive yacht maintenance and repair solutions to vessel owners throughout Southern California's premier boating region. The business focuses on providing hands-on technical expertise for boats and yachts of various sizes, addressing both routine maintenance needs...

My ThoughtsJC Yacht Services holds a 5.0 rating from 6 reviews, handling marine plumbing and sanitation alongside mechanical, electrical, and general boat repair.
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VB Engineering logo

VB Engineering

5.0(4)
(619) 346-5599San Diego, CAGet Directions
San Diego, CABoat Mechanics & Engine RepairGenerator Service & RepairMarine Plumbing & Sanitation

About VB Engineering

Located at Driscoll's Boatyard on Shelter Island, VB Engineering holds a distinctive position as San Diego's only authorized marine engine dealership operating directly within a working boatyard. This strategic location at 2500 Shelter Island Drive provides boat owners throughout Southern California with convenient dockside access to certified marine technicians and...

What others are saying about VB Engineering

Customers repeatedly praise VB Engineering for their versatility in marine services, from quick diagnostic work to comprehensive system repairs and ongoing support. Whether clients need immediate onboard assistance or remote parts ordering while sail...

Reviews sourced from Google

My ThoughtsVB Engineering carries a 5.0 rating from 4 reviews, with services covering marine plumbing and sanitation, engine repair, generators, and boat maintenance.
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Ability Marine Services logo

Ability Marine Services

5.0(2)
1-619-255-1377San Diego, CAGet Directions
San Diego, CAHull & Bottom CleaningBoat Mechanics & Engine RepairMarine Canvas, Covers & Upholstery

About Ability Marine Services

Operating from a central San Diego facility on 30th Street, Ability Marine Services has built a reputation for comprehensive boat and yacht maintenance across Southern California's coastal communities. Their team serves vessel owners throughout San Diego County and nearby areas including Coronado and National City, offering both routine upkeep and...

My ThoughtsAbility Marine Services is newer to the trade with 3+ years in business and a 5.0 rating from 2 reviews, offering hull cleaning, mechanics, canvas work, and electrical services.
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