Find Diesel Generator Mechanic Pros in Potomac River

John’s Mobile Marine provides fast and reliable service in the Baltimore MD, Annapolis MD, and Washington DC areas. Servicing even far beyond the general listed area Johns Mobile Marine comes to you for your boats Diagnostic repair & Maintenance!

Chesapeake Dockside Services is a veteran-owned and ABYC Certified Master Technician operated business based out of Annapolis, Maryland specializing in marine repairs, installations and services.

At First Mate Marine Services, we are a Mobile Marine Electrical, Refrigeration, HVAC, Plumbing, and Generator Repair Company. We Service, Maintain, Repair and Replace existing systems. We can also Fully Install New Systems that do not currently exist on your boat. Any vessel from 18 ft. To 180 ft. Our Technicians carry multiple systems factory certifications, ensuring we get the job done right.

We can service most of your boating needs.We can do major repowers to repalcing water pumps.Install fuel tanks, replace or repair a/c units,replace or install all 12 volt and ac wiring on your boat. We Rebuild transmissions.We can service gas or diesel engines. Our mechanics are factory train in gas and diesel repair.