Find Boat GPS Pros in Chesapeake Bay

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!

Marine Electronics Installation & Service
At Bull on the Bay, we specialize in professional marine electronics services built on quality, precision, and performance. Whether you’re upgrading your electronics or outfitting a new vessel, we provide expert installation and support for systems of all sizes.

We are proud authorized dealers of top-tier brands including Garmin, Raymarine, Simrad, B&G, Lowrance, JL Audio, Fusion, Airmar, and more—ensuring you get genuine products backed by manufacturer warranties and expert knowledge.

From advanced chart plotters, radar, sonar, and transducers, to complete NMEA 2000 networks, autopilot systems, stereo installs, battery monitors, switches, and clean wiring jobs, we handle every detail with care.

When you book with Bull on the Bay, you’re not just getting a service—you’re getting guaranteed satisfaction, dependable results, and the peace of mind that comes from working with pros who care about your boat as much as you do.

We handle your boating needs, so you can focus on fun on the water. Chessie Maritime is available to help navigate through whatever hazards you may encounter during boat ownership. From bow to stern, if we cannot help we know someone who can.

Chessie Maritime offers meticulous cleaning with eco-friendly products and a touch-free wash and dry method. We carefully select biodegradable agents to remove dirt and pollutants without harming marine life. Our touch-free wash system gently lifts contaminants, reducing the risk of scratches. Advanced technology then dries your boat without harsh chemicals, leaving it ready for your next adventure. Experience ultimate protection with our graphene and ceramic mix treatment. Graphene shields against UV rays and oxidation, while ceramics repel water and dirt for easy maintenance and a glossy finish. Applied by expert technicians, this treatment ensures comprehensive coverage and long-lasting protection for your boat.

There's only one place to go for everything boat services in Annapolis, MD. At AF Marine Service, we provide a wide range of boat services for your convenience, such as boat storage, valet boat service, boat repairs, and more. Our expert boat technicians can assist with mobile boat repairs, and we'll make sure to dig deep and find the root of the problem instead of simply covering it up. If you need a secure space to store your boat, then rest easy with us. We offer gated, 24/7 surveillance for your boat.

BOE Marine is a diversified company in the recreational industry. Our departments include Marine Electronics Sales and Installation, Boat and Yacht Outfitting, Outboard Engine Service and Repowers, Boat Hauling, and RV Sales. We have a team of employees dedicated to helping you enjoy your time on the water.

We know you have so many choices on where you can buy your marine electronics. Shoot, most of the manufacturers even sell directly now. We are confident that we offer the best package of brands, services, and prices to make your electronics upgrade the smoothest possible. If you EVER find a reason why we are not your best resource, please reach out to let us know. Since 2003 we have played a role in outfitting nearly 50,000 boats. We might know a thing or two.

At Engle Marine we strive to provide the best service for your boat with our highly trained staff. With over 40 years experience in the marine industry we hold true to providing your boat the best care possible. Keeping you on the water

Horton Marine Services is a distributor for sailboat and powerboat comfort systems, including refrigeration, air-conditioning, heating, and water maker units/desalination systems, as well as Hamilton Jets and small generators.

Merke Marine, now located at the Annapolis Maritime Commerce Center, provides comprehensive electrical and electronic services to boaters in the Annapolis area. We are an authorized Lewmar Service Center, providing warranty and out-of-warranty repairs for windlasses, bow thrusters, and electric winches. Owner John Levelle is an ABYC Certified Marine Electrical Technician and certified Raymarine and Garmin installer.

Complete engine work, repair/rebuild starters, alternators, carburetors, fuel pumps, exhaust and intake manifold work, fuel system repairs, and more.

Family-owned and operated, Peake Mobile Marine is one of Chesapeake Bay's best and most trusted mobile marine service provider. Our team is experienced, knowledgeable and responsive, and we pride ourselves on the fact that 90 percent of our customers are referred by other satisfied boat owners.