305-767-3606 [email protected]


Key Marine Service is your Key West and Florida Keys full service marine service center. With over 50 years of combined experience, we can repair all boat systems.

Diesel & Gasoline Engines

Specializing in diesel, gasoline, inboard, & outboard engines. 


Generator repair, maintenance, and new installations


Steering, lifts, overhauls, repairs and new installations.


AC/DC, Inverters, our technicians do it all


Toilet/Head repair, new installations, pumps, watermakers, water heaters 


Standalone air-conditioning unit repair, new installation, chillers

Fiberglass & Gel Coat

No project is too big or too small. We will bring your fiberglass back to new.

Detailing & Washing

Our expert technicians will restore the shine in your boat

Bottom Cleanings

We dont just clean bottoms we save them