Bay Shore Marine specializes in the sale and replacement of propulsion engines for all types of sail and powerboat vessels. We have been in business in Annapolis for over three decades and have earned a reputation as the area’s leading authority for all types of marine power. Authorized dealer for YANMAR (GOLD PLUS DEALER), CUMMINS, JOHN DEERE, VOLVO PENTA (GAS), AND MORE. We can offer a reliable repower option no matter the size or type of boat. Contact us to evaluate your needs and work up a free quote!

Bay Shore Marine can handle complete engine rebuilds on all types of marine engines and drives. Whether we need to remove the engine or you drop it off to us. We specialize in 2-6 cylinder gas or diesel engines, I/O or sail driven. With over 30 years in business we can rebuild your engine down to the block. For those specialty pumps, gears, and turbos we work with some of the best shops up and down the east coast so you can get your engine back to as good as new again.

Authorized dealer with certified technicians for YANMAR (GOLD PLUS DEALER), CUMMINS, JOHN DEERE, VOLVO PENTA (GAS), AND MORE. We can provide all your annual or hourly required services all done to manufacturers specifications with OEM parts. We can also repair and service all other major brands and all types of gas or diesel marine engines. Our mobile team can come to you and get your engine back up and running anywhere around the Annapolis area.

Done with your boat for the season? Avoid costly freeze damage! Let us properly winterize your engine so you have peace of mind knowing it has been protected.

Looking to purchase a new-to-you boat? Engines are a significant portion of the value of a boat and can be costly to repair. Bay Shore Marine offers a complete and thorough mechanical inspection of all marine propulsion and marine power generator engines. Our experienced surveyors have been technicians in this industry for over 30 years. We will provide you with a full report and advise you of any concerns.

Servicing your engines or generator cooling system yourself? Do your heat exchanger bundles have a build up of sludge and need to be properly cleaned? Drop off your bundles or entire cooler assemblies and we can properly clean them for you. Dropped in an acid bath at over 100 degrees, our sonic clean technology can thoroughly clean out your cooler bundles and keep your engine running cool.