Reliable Bottom Painting & Antifouling in Largo, FL

Keeping a hull clean and protected from fouling is essential for any boat spending time in Largo, FL waters. This list highlights dependable Bottom Painting & Antifouling contractors who have earned strong reviews from local boat owners. Compare quotes from these trusted pros to find the right fit for your boat and budget.

By Boatwork in Largo, FL·7 pros·321 lists by this author·June 7, 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 combines bottom painting with hull cleaning and diving services — a well-rounded option for full underwater hull care.
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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+ years in business and a 4.5 rating from 96 reviews, Markey's Marine Services brings deep experience across bottom painting, engine repair, and fiberglass work.
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Key Largo Harbor Marina logo

Key Largo Harbor Marina

4.0(114)
(305) 451-0045Key Largo, FLGet Directions
Key Largo, FLMarina & Boat StorageBoat Mechanics & Engine RepairBottom Painting & Antifouling

About Key Largo Harbor Marina

Nestled in the dive capital of the world and one of Florida's premier sport-fishing destinations, Key Largo Harbor Marina operates as a full-service boatyard and marina facility at mile marker 100 in Key Largo, Florida. The marina distinguishes itself as the largest full-service commercial facility between Miami and Marathon, offering...

What others are saying about Key Largo Harbor Marina

A common theme in the reviews is the range of marine services Key Largo Harbor Marina provides, from quick haul-outs and bottom painting to fiberglass repairs and boat storage. Whether customers need fishing charters with friendly captains or extensi...

Reviews sourced from Google

My ThoughtsKey Largo Harbor Marina holds a 4.0 rating from 114 reviews and operates as a full-service boatyard, making it a practical choice for owners who want painting handled alongside storage or mechanical work.
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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 carries a 4.1 rating from 21 reviews, with a focused specialty in bottom painting and fiberglass and gelcoat repair.
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OB

Ocean Blue Marina

3.5(8)
(305) 451-3414Key Largo, FLGet Directions
Key Largo, FLMarina & Boat StorageHull & Bottom CleaningBottom Painting & Antifouling

About Ocean Blue Marina

Nestled in the heart of the Florida Keys, Ocean Blue Marina serves the Key Largo boating community as a dedicated marine services facility. While the marina's web presence is minimal, the location itself speaks to the unique demands of operating in one of America's most renowned boating destinations, where tropical...

What others are saying about Ocean Blue Marina

What stands out most across reviews is the dramatically contrasting experiences customers have had with Ocean Blue Marina. While some praise the marina for friendly staff and helping maintain family businesses over the years, others report significan...

Reviews sourced from Google

My ThoughtsOcean Blue Marina has a 3.5 rating from 8 reviews and covers bottom painting alongside hull cleaning and general boat repair from a marina setting.
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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 is a newer contractor with 4+ years in business and a 5.0 rating from 2 reviews, offering bottom painting alongside detailing and fiberglass repair.
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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 shows a 5.0 rating but from just 1 review, so there is limited feedback to go on — worth a quote if you want to compare a full-service mechanical and painting shop.
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