bay shore marine - marine engine sales, parts & service

Marine Engine & Generator Experts

Top Rated Service

Communication, responsiveness and professionalism are second to none at BSM. Receive progress reports with photos to set your mind at ease.

Certified Technicians

Independently certified and factory trained technicians ensure that all work is completed to current industry standards and manufacturer recommendations.

Parts & Resources

Our knowledgeable team and nearly $1,000,000 inventory means we can find what you need and get you back on the water FAST!
Marine Engine & Generator Sales • Parts • Service

Bay Shore Marine specializes in 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!

Looking to repower multiple vessels or multiple units in your single vessel? Contact us about engine package deals!

bay shore marine engine sales

Whether you are looking to add more electrical power or replace a generator you already have installed, we can provide and install a high-quality new unit for your vessel. As the primary Northern Lights dealer for the bay area, we highly recommend these excellent marine generators. Contact us to evaluate your needs and work up a free quote!

bay shore marine generator sales

Is your I/O or transmission failing you? Need to have some major work done to your gear but the propulsion engine is still good? We can provide OEM replacements for almost all brands of Outdrive, Saildrive, and transmission replacements. Let us know what unit you have and we can offer our equivalent replacement for your specific drive. We can provide full removal and replacement service if needed.

bay shore marine - drive sales

Handling service on your own? Planning a long trip and need to stock up on spares? Bay Shore Marine is your one stop shop for everything you need for your boat’s engine or generator. We have a huge parts inventory as well as the ability to get the parts you need quickly. Shop in store or online! Authorized dealer for Yanmar (Gold Plus Dealer), Cummins, John Deere, Northern Lights, Volvo Penta (gas), and more!

bay shore marine - part & kit sales

About Us

Established in 1988 and based out of Bert Jabin Yacht Yard in Annapolis, Bay Shore Marine is the bay area’s premier service company for all your mechanical needs and is now a division of Diversified Marine Services. We can come to you with our mobile service team or bring your boat to one of our locations. Thousands of parts in stock and our knowledgeable parts team means we can get you back on the water fast! Our manufacturer-trained technicians attend service schools annually. YANMAR small & large engines (Yanmar Gold Plus Rated Dealer), NORTHERN LIGHTS, CUMMINS, and JOHN DEERE marine engines and generators. VOLVO PENTA gas powered engines. Engine & generator installations/repowers. Rebuilt engines & transmissions in stock. Custom built spare parts kits.


Mon — Fri: 8:00am — 4pm
Saturday: Closed
Sunday: Closed


Annapolis, MD

Customer Support, Service, Parts Store, Workshops

Bert Jabin Yacht Yard
7344 Edgewood Rd, Annapolis, MD 21403

Baltimore, MD

Customer Support, Service, Workshops

Baltimore Boating Center
2015 Turkey Point Rd, Essex, MD 21221