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Ralston Marine L.L.C.

Your trusted mobile Marine Service provider

Serving Annapolis, Washington D.C., Baltimore, Kent Island, and Anne Arundel County.

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Our specialties

  • Electronics

    Standard 12V-24V-36V-48V Battery Troubleshooting, New Lithium Battery Conversions, Inverter/DC-DC Charger Installs (Victron Preferred), Solar and Wind Installs, All Navigation brands (Garmin, Raymarine, B&G, Simrad) installs, upgrades, troubleshooting. MFD, Autopilot, Radar, Audio/Video, Remote Monitoring Systems, Starlink Installs,Transducer installs and troubleshooting, Battery Chargers, Interior/Exterior Lighting, Underwater Lighting, Thermal Imaging Cameras

  • Fiberglass Repairs

    Expert in Fiberglass Repairs, Gel Coat Repairs, and Custom Fabrication.

  • Bottom Painting

    Professional Bottom Painting and Sanding services for boats.

  • Fresh Water & Plumbing Systems

    All freshwater and plumbing systems on your vessel. Winterizations, Water Pump Replacements/Upgrades, Tank Removal and Upgrades, Sending Units, Expansion Tanks, Hot water Heaters, Air Conditioning Pumps and Plumbing, Head Leaks, Strainer Replacements, Thru Hull Replacements, Fuel.

Services offered

About us

Ralston Marine L.L.C. is a mobile marine service provider based in Annapolis, with a service area covering Northern Va, Washington DC, Anne Arundel County, Baltimore, Kent Island, Easton, Oxford, and Cambridge, MD. With a background in engineering and a passion for boating, we offer a wide range of services including electronics installation, fiberglass repairs, bottom painting, custom fabrication, and dive services. Our commitment to building strong relationships with our clients and ensuring the best boating experience sets us apart in the marine industry.

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Frequently asked questions

Question

What are your service areas?

We serve a wide area, including surrounding suburbs. To check if we service your location, reach out to our team and we’d be happy to assist you.

Question

How do you determine pricing for your services?

Our pricing is based on the type of service, materials required, and the scope of the job. We provide transparent, upfront pricing before any work begins, so there are no surprises. Reach out to us to discuss specifics for your project.

Question

How do I get in contact with you?

If you’d like to get scheduled in with us, please fill out our request form. Once we’ve received the details of what you’re looking for, we’ll reach out to discuss next steps.

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