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Highest-Rated Diving & Underwater Services in Los Angeles, CA

Finding reliable Diving & Underwater Services in Los Angeles, CA comes down to one thing: a track record you can trust. This list ranks local pros by their ratings and review volume on Boatwork, so you can see exactly how each contractor has performed for real boat owners. Compare these top-rated specialists and request a free quote to get started.

By Boatwork in Los Angeles, CA·7 pros·1108 lists by this author·June 17, 2026·Updated July 13, 2026
7 pros
SA

S and K Dive Service

4.7(15)
310-822-8349Marina del Rey, CAGet Directions
Marina del Rey, CAHull & Bottom CleaningDiving & Underwater ServicesBoat Detailing & Cleaning

About S and K Dive Service

Operating out of Marina del Rey since 1970, S and K Dive Service has built a reputation as one of the largest and most reliable underwater boat maintenance providers in Southern California's premier boating community. Founded by Paul Skipper, who retired in 2022 after five decades of dedicated service, the...

My ThoughtsRated 4.7 across 15 reviews — the highest review volume on this list — and backed by 56+ years in business. S and K Dive Service covers Hull & Bottom Cleaning, Boat Detailing & Cleaning, Bottom Painting & Antifouling, and Diving & Underwater Services.
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SD

Scout Dive Service

5.0(3)
(310) 400-0061Marina del Rey, CAGet Directions
Marina del Rey, CAHull & Bottom CleaningDiving & Underwater ServicesBoat Repair & Maintenance

About Scout Dive Service

Operating from Marina del Rey, California, Scout Dive Service has established itself as a specialized underwater boat maintenance provider serving sailboat, powerboat, and yacht owners throughout one of the West Coast's premier boating destinations. The business focuses exclusively on professional diving services that keep vessels in optimal condition without requiring...

What others are saying about Scout Dive Service

What stands out most across reviews is the consistent praise for owner Matthew's character - reviewers describe him as trustworthy and professional time and again. Customers highlight Scout's versatility in handling both technical work like prop inst...

Reviews sourced from Google

My ThoughtsScout Dive Service holds a perfect 5.0 rating from 3 reviews, with specialties spanning Hull & Bottom Cleaning, Diving & Underwater Services, and Boat Repair & Maintenance.
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Ancon Services logo

Ancon Services

5.0(4)
(800) 556-9090Los Angeles, CAGet Directions
Los Angeles, CAHull & Bottom CleaningDiving & Underwater ServicesEnvironmental Management

About Ancon Services

Operating in the industrial marine and environmental services sector for 56 years, Ancon Services has established itself as a comprehensive provider of industrial cleaning, hazardous waste management, spill response, confined space rescue, and environmental services. Based in Wilmington, California, the company serves a diverse range of markets including downstream petroleum...

What others are saying about Ancon Services

The reviews paint a picture of a business known for delivering quality marine services, though with limited feedback available from just 4 reviews, the full scope of customer experiences remains unclear. What stands out most is that Ancon Services ap...

Reviews sourced from Google

My ThoughtsA 5.0 rating from 4 reviews, combined with 58+ years in business, makes Ancon Services one of the most experienced options here. They also offer Environmental Management alongside Hull & Bottom Cleaning and Diving & Underwater Services.
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HD

Hullworkz Dive Service

5.0(3)
424-672-0329Marina del Rey, CAGet Directions
Marina del Rey, CABoat Surveying & InspectionHull & Bottom CleaningDiving & Underwater Services

About Hullworkz Dive Service

Serving the Marina del Rey harbor since 1996, Hullworkz Dive Service has built a reputation as a dependable provider of underwater marine services for boat owners throughout Southern California. With nearly three decades of hands-on experience, the business specializes in comprehensive hull maintenance, propeller service, and a full range of...

My ThoughtsHullworkz Dive Service carries a 5.0 rating from 3 reviews and brings 30+ years of experience to Hull & Bottom Cleaning, Diving & Underwater Services, Boat Surveying & Inspection, and Boat Repair & Maintenance.
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Down Under Dive Service logo

Down Under Dive Service

3.8(4)
(310) 541-5752Los Angeles, CAGet Directions
Los Angeles, CABoat Surveying & InspectionHull & Bottom CleaningDiving & Underwater Services

About Down Under Dive Service

Operating in the waters of San Pedro, California since 1992, Down Under Dive Service has built a reputation as a family-owned business dedicated to comprehensive underwater boat care and hull maintenance. For over three decades, their team has focused on keeping vessels in optimal condition below the waterline, allowing boat...

My ThoughtsDown Under Dive Service is rated 3.8 from 4 reviews and has been operating for 34+ years. Specialties include Hull & Bottom Cleaning, Diving & Underwater Services, Boat Surveying & Inspection, and Bottom Painting & Antifouling.
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Del Rey Divers logo

Del Rey Divers

3.7(3)
(310) 822-8200Marina del Rey, CAGet Directions
Marina del Rey, CAHull & Bottom CleaningDiving & Underwater ServicesBoat Repair & Maintenance

About Del Rey Divers

Operating continuously since 1964, Del Rey Divers holds the distinction of being the oldest dive service company in Marina Del Rey, California. For nearly six decades, this family-oriented business has built its reputation on providing comprehensive underwater services to boat owners throughout Southern California's premier boating communities. Their longevity in...

What others are saying about Del Rey Divers

Across the reviews, Del Rey Divers earns recognition for their diving expertise, with customers praising them as the best diving services across Marina Del Rey, Channel Islands and Ventura Harbor. When it comes to customer interactions, clients highl...

Reviews sourced from Google

My ThoughtsDel Rey Divers has a 3.7 rating from 3 reviews and stands out for longevity, with 62+ years in business. They handle Hull & Bottom Cleaning, Diving & Underwater Services, and Boat Repair & Maintenance.
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MD

Mike's Dive Service

5.0(2)
(310) 572-1307Los Angeles, CAGet Directions
Los Angeles, CABoat Surveying & InspectionHull & Bottom CleaningDiving & Underwater Services

About Mike's Dive Service

Specializing in professional underwater marine services, this Los Angeles-based diving company has established itself as a trusted resource for boat owners and vessel operators requiring below-waterline maintenance and inspection work. With a focus on comprehensive diving and underwater services, the business addresses the critical needs that arise when vessels require...

My ThoughtsMike's Dive Service earns a 5.0 rating from 2 reviews and has 21+ years in the field. Services include Hull & Bottom Cleaning, Diving & Underwater Services, Boat Surveying & Inspection, and Boat Repair & Maintenance.
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