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Reliable Bottom Painting & Antifouling in Largo, FL

Keeping a hull free of fouling growth is essential in Florida's warm, active waters, and Largo, FL has no shortage of contractors who specialize in Bottom Painting & Antifouling. This list surfaces dependable, well-reviewed pros worth a serious look. Compare quotes from several of them to find the right fit for your boat and budget.

By Boatwork in Largo, FL·7 pros·1107 lists by this author·June 7, 2026·Updated July 3, 2026
7 pros
Landon Diving Services and Boat Detailing logo

Landon Diving Services and Boat Detailing

5.0(46)
(727) 415-5593Largo, FLGet Directions
Largo, FLHull & Bottom CleaningDiving & Underwater ServicesBoat Detailing & Cleaning

About Landon Diving Services and Boat Detailing

Based in Largo, Florida, Landon Diving Services and Boat Detailing operates along the Gulf Coast, serving boat owners throughout the Tampa Bay area and surrounding communities in Pinellas County. The business has built its reputation on comprehensive underwater maintenance and professional vessel care tailored to the demanding saltwater environment of...

What others are saying about Landon Diving Services and Boat Detailing

Landon Diving Services and Boat Detailing has built a reputation for reliable underwater maintenance and thorough hull cleaning across their 38 five-star reviews. What stands out most is their commitment to transparency—clients consistently highlight...

Reviews sourced from Google

My ThoughtsRated 5.0 across 46 reviews, Landon Diving Services and Boat Detailing stands out for combining hull and bottom cleaning with full detailing work — a convenient pairing for owners who want one crew handling both.
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Markey's Marine Services logo

Markey's Marine Services

4.5(96)
(786) 829-6081Key Largo, FLGet Directions
Key Largo, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsBottom Painting & Antifouling

About Markey's Marine Services

Boat owners throughout the Upper Florida Keys have relied on Markey's Marine Services for comprehensive vessel care since the company established its facility on the Overseas Highway in Key Largo. With more than 30 years of specialized experience in Mercury sales and service, the business has built a reputation for...

What others are saying about Markey's Marine Services

When it comes to engine repairs and Mercury outboard service, Markey's Marine Services demonstrates strong technical expertise with mechanics who can quickly diagnose issues and get boats back on the water, often within the same day. On the customer...

Reviews sourced from Google

My ThoughtsWith 30-plus years in business and a 4.5 rating from 96 reviews, Markey's Marine Services brings deep experience across bottom painting, engine work, and fiberglass repair — useful if your haul-out turns up more than one item to address.
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GM

Gulfstream Marine Services

5.0(15)
(727) 546-5029Largo, FLGet Directions
Largo, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Gulfstream Marine Services

Operating from Largo, Florida, Gulfstream Marine Services has established itself as a dependable marine service provider serving the Tampa Bay area and surrounding Gulf Coast communities. The business caters to boat owners seeking comprehensive marine repair, maintenance, and technical services for vessels of various sizes and types. Their location in...

What others are saying about Gulfstream Marine Services

Reading through the feedback, one pattern emerges: from complete electronics refits on luxury yachts like the Sirena 58 and Tiara models to autopilot installations and troubleshooting on various vessels, customers consistently praise Gulfstream Marin...

Reviews sourced from Google

My ThoughtsGulfstream Marine Services holds a 5.0 rating from 15 reviews and covers bottom painting alongside mechanical, electrical, and generator work — a solid option if you need a multi-discipline contractor.
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Gregor's Marine logo

Gregor's Marine

4.7(101)
+1 (727) 596-5929Largo, FLGet Directions
Largo, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsBottom Painting & Antifouling

About Gregor's Marine

Operating from their facility in Largo, Florida, Gregor's Marine has established itself as a comprehensive source for OEM marine parts, professional service, and engine repower solutions. The business specializes in Mercury Marine products, offering an extensive catalog of genuine factory parts and accessories alongside expert technical support for multiple marine...

What others are saying about Gregor's Marine

Clients return to Gregor's Marine for their expert knowledge and honest approach to marine repairs, with team members like Rocco and Lou earning praise for their diagnostic skills on outboard motors and electrical systems. When it comes to customer s...

Reviews sourced from Google

My ThoughtsGregor's Marine carries a 4.7 rating from 101 reviews — one of the larger review samples on this list — and handles bottom painting in addition to mechanics, electrical, and chandlery needs.
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OB

Ocean Blue Boat Painting and Fiberglass

4.1(21)
(305) 852-1300Key Largo, FLGet Directions
Key Largo, FLBottom Painting & AntifoulingFiberglass & Gelcoat RepairBoat Repair & Maintenance

About Ocean Blue Boat Painting and Fiberglass

Operating from the heart of the Florida Keys, Ocean Blue Boat Painting and Fiberglass has established itself as a specialized marine service provider dedicated to vessel aesthetics and structural integrity. Based in Key Largo, the business focuses on the critical intersection of protective coatings and composite repair work that keeps...

What others are saying about Ocean Blue Boat Painting and Fiberglass

Reading through the feedback, one pattern emerges: Ocean Blue Boat Painting and Fiberglass has built a loyal customer base through their comprehensive marine supply offerings and skilled fiberglass work. Known for their friendly, helpful staff who go...

Reviews sourced from Google

My ThoughtsOcean Blue Boat Painting and Fiberglass focuses squarely on bottom painting and fiberglass repair, with a 4.1 rating from 21 reviews — worth a quote if dedicated paint and gelcoat work is the priority.
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Oliva OceanSide logo

Oliva OceanSide

5.0(2)
+1 (954) 529-4473Key Largo, FLGet Directions
Key Largo, FLBoat Detailing & CleaningBottom Painting & AntifoulingFiberglass & Gelcoat Repair

About Oliva OceanSide

Operating out of Key Largo, Florida, Oliva OceanSide has established itself as a specialized boat restoration and marine maintenance provider serving the Upper Keys region. Founded in 2022, the business brings extensive hands-on experience to every vessel project, focusing on bottom painting, fiberglass and gelcoat repair, general painting systems, and...

My ThoughtsOliva OceanSide has been in business 4-plus years and holds a 5.0 rating from 2 reviews, covering bottom painting, fiberglass repair, and detailing — a newer presence on Boatwork with an early track record worth watching.
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SD Marine Group logo

SD Marine Group

5.0(1)
1-786-982-7722Key Largo, FLGet Directions
Key Largo, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsBottom Painting & Antifouling

About SD Marine Group

Operating from their facility on the Overseas Highway in Key Largo, SD Marine Group delivers comprehensive marine services to boat owners throughout the Florida Keys and Monroe County. Their waterfront location provides convenient access for vessels ranging from small center consoles to large cruising yachts, with the team addressing the...

My ThoughtsSD Marine Group has a 5.0 rating from a single review so far, making it newer to Boatwork; they offer bottom painting alongside mechanical and electrical services for owners who prefer a full-service shop.
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