305-767-3606 [email protected]

Serving Key West and all of the Florida Keys

We are ABYC Certified!

What is ABYC certification?
ABYC offers a nationally accredited certification program designed to improve the quality of boat maintenance and repair and the professionalism of technicians. This certification program reaches out to provide standards-based, continuing technical education for marine technicians throughout the industry. Key Marine Service is dedicated to the highest standard of marine repair at the most affordable prices.  

Authorized Dealer for Parts and Service for:


Outboards/Inboard Engines

Specializing in outboard and inboard repairs and maintenance

Diesel Engines/Generators

Diesel Engine/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 

A/C & Refrigeration

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

Key Marine Service located in the 3D Boat Yard on Stock Island in Key West, FL is your one stop marine service center.  Our facility offers mobile marine repair to the entire Florida Keys (weekend service by request).

Key Marine Service


(305) 767-3606


6801 Shrimp Rd Key West, FL 33040 (3D Boat Yard, Stock Island)