Marathon Boat Yard Diesel provides first-class Marine Mechanical service from the mid to lower Florida Keys and Caribbean. The products we service and repair include- Marine Diesel Engines, Marine and Land-based Generators, Marine Air Conditioning and Refrigeration systems, and Marine Hydraulic systems.

Marathon Boat Yard Diesel is a dealer for Volvo Penta, Cummins, Yanmar, Detroit, Lugger, Northern Lights, Cruisair, Mermaid, and Aeroquip.

Our technicians are fully certified and factory trained to service and repair all our brands. We have a retail parts department that stocks and provides parts for our brands and many other Marine products.