Marine Service & Boat Sales

Serving the Florida Keys & South Florida

BTH Marine is located at 97951 Overseas Hwy in Key Largo, Florida, right at the gateway to the Florida Keys. Our Mercury Platinum Elite and Mercury V12 Verado certified facility serves boat owners, anglers, and families throughout the Florida Keys and across South Florida. Whether you need a new boat, engine service, a repower, or parts, our team is here to take care of you wherever you are in our service area.

Boat Sales & Marine Service in Key Largo, FL

Key Largo is home to BTH Marine and the heart of everything we do. As the northernmost point of the Florida Keys, Key Largo sits at the gateway to some of the most extraordinary boating waters in the world. John Pennekamp Coral Reef State Park, the Atlantic Ocean, and Florida Bay are all right outside our door.

Key Largo boat owners have direct access to our full facility, Mercury Platinum Elite and V12 Verado certified service, engine repowers, 80-ton travel lift, dry storage, parts counter, new Front Runner and Broadwater boat sales, and pre-owned inventory. If you're in Key Largo, BTH Marine is your home base on the water.

Marine Service & Boat Sales Near Tavernier, FL

Tavernier is just a short drive south of BTH Marine on the Overseas Highway. Tavernier boat owners have easy access to our full facility for everything from routine outboard maintenance to complete engine repowers and haul-outs on our 80-ton travel lift.

Whether you fish the nearshore reefs, the backcountry, or run offshore from Tavernier Creek, BTH Marine's factory-trained technicians keep your boat running at peak performance in the saltwater conditions of the Upper Florida Keys.

Marine Service & Boat Sales Near Islamorada, FL

Known as the Sport Fishing Capital of the World, Islamorada attracts some of the most serious anglers in the country. BTH Marine serves Islamorada boat owners with championship-level marine service, Mercury certified repairs and repowers, and access to the finest custom boat brands in the market.

Islamorada anglers fishing the flats, the reefs, and the offshore grounds trust BTH Marine to keep their boats ready for every trip. From routine service to full vessel refits, our team handles it all.

Marine Service & Boat Sales Near Marathon, FL

Marathon sits at the heart of the Florida Keys and is home to some of the most active boating communities in South Florida. BTH Marine serves Marathon boat owners throughout the Middle Keys with full-service marine capabilities including Mercury service, engine repowers, electronics installation, Seakeeper installation, and new and pre-owned boat sales.

Our 80-ton travel lift accommodates vessels up to 70 feet in length, making BTH Marine one of the few facilities in the Keys capable of servicing the larger offshore center consoles and catamarans that Marathon anglers run.

Marine Service & Boat Sales Near Key West, FL

Key West is the southernmost point of the continental United States and one of the most active boating destinations in Florida. BTH Marine serves Key West boat owners with the full range of marine services available at our Key Largo facility.

Whether you're running offshore from Key West, fishing the backcountry, or cruising the Lower Keys, BTH Marine's Mercury Platinum Elite certified team is ready to service, repower, and outfit your vessel for every adventure.

Marine Service & Boat Sales Near Homestead & Florida City, FL

Homestead and Florida City sit at the top of the Florida Keys corridor and are home to thousands of boat owners who trailer their vessels to the Keys and beyond. BTH Marine serves the Homestead and Florida City boating community with full marine service, Mercury certified repairs, new and pre-owned boat sales, outboard motor sales, and a fully stocked parts counter.

Our Key Largo facility is a short drive down the Overseas Highway from Homestead, making us the most accessible full-service marine facility for the entire South Miami-Dade boating community

Marine Service & Boat Sales Serving Miami & South Florida

BTH Marine regularly serves boat owners from Miami, Coral Gables, Miami Beach, and across South Florida who bring their vessels to our Key Largo facility for Mercury Platinum Elite service, V12 Verado certified repairs, engine repowers, and full vessel refits.

Miami and South Florida boat owners choose BTH Marine for one reason, we have capabilities that most facilities in the region simply cannot match. Our 80-ton travel lift handles vessels up to 70 feet. Our Mercury V12 Verado certification makes us one of the only qualified service centers in South Florida for the Mercury 600R. And our relationship with Front Runner Boatworks and Broadwater Boatworks makes us the destination for serious offshore boat buyers throughout the region.

Marine Service & Boat Sales Serving Fort Lauderdale, FL

Fort Lauderdale is one of the boating capitals of the world and home to some of the most serious offshore anglers and boat owners on the East Coast. BTH Marine serves Fort Lauderdale boat owners who demand the highest level of marine service and expertise available in South Florida.

Our Mercury Platinum Elite and V12 Verado certifications, our 80-ton travel lift, and our relationships with Front Runner Boat Works and Broadwater Boatworks make BTH Marine the destination for Fort Lauderdale boat owners who want championship-level expertise behind every job.

Ready to Work with BTH Marine?

No matter where you are in the Florida Keys or South Florida, BTH Marine is here to take care of you and your boat. Visit us at 97951 Overseas Hwy in Key Largo, Monday through Friday 8AM to 5PM, or reach out to our team today.

BTH MARINE

25°4.298'N, 80 °27.300'W

Monday - Friday 8AM - 5 PM

OUR SERVICES

Full Service Facility

Authorized Mercury Dealer

Brokerage

Exclusive Chartering Services

2026 © BTH MARINE

Privacy | Terms of Service

BTH MARINE

25°4.298'N, 80 °27.300'W

Monday - Friday 8AM - 5 PM

OUR SERVICES

Full Service Marine Facility

Authorized Mercury Dealer

New Boat Sales

Part Sales

Brokerage

Exclusive Chartering Services

2026 © BTH MARINE

Privacy | Terms of Service