• Join Us for an Open House at Our New Annapolis – Spa Creek Showroom on June 22nd!

    Join us for an exclusive open house event on Saturday, June 22nd from 10am-3pm, and be among the first to experience our latest collection of Grady-White and Parker Offshore Boats — right here in Eastport! This is a perfect opportunity to meet our team of experienced sales advisors, explore our innovative boat models, and find inspiration for your next adventure on the water. Whether you're a long-time customer or a first-time visitor, we can't wait to welcome you to our new showroom!

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Welcome to Tri‑State Marine — Maryland, Virginia & Washington, D.C.’s #1 Grady‑White & Parker Offshore Retailer.

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For more than 50 years, Tri-State Marine has been the hallmark of leading boat dealers in the area — proudly serving the Washington, D.C., Virginia and Maryland communities. We offer expert boat, motor and electronics sales and marine services for only the industry’s best brands, including Grady-White, Parker Offshore, Achilles Inflatables, Yamaha Outboards, Garmin Marine Electronics, Fusion Marine Audio and EZ Loader Trailers. We also place particular pride in having one of the largest indoor boat showrooms in the United States where you can often find more than 30 boats on display. 

You can find us on the waterfront in Annapolis, Deale / Shady Side and Middle River — only a short trip from Washington, D.C. Baltimore, Severna Park, Kent Island, St. Michaels / Easton and Northern Virginia. We’re excited about the addition of our new partnership location in Middle River where you’ll have access to our full line of boats from Grady-White and Parker Offshore.

We are always available to you, please tell us how we can make boat ownership easier and more enjoyable. Explore, dream, discover – happy boating.  

  • Financing Available

    Tri-State Marine offers expert financing guidance with the very best rates.

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  • Certified Pre-Owned

    Our 200-point inspection and certification ensure you get a quality pre-owned boat.

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  • Stay In The Know

    Stay up to date with the latest inventory updates and Tri-State Marine hosted events.

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What Our Customers Are Saying

  1. geipe
  2. ONeal
  3. sammy
  1. geipe

    They Went Above and Beyond

    "As the region’s Parker dealer, Tri-State was the obvious choice to work with on my new purchase. It was a great experience working with Tri-State and I would definitely recommend them to family and friends. There is only one word to describe Ron Young and that is “Awesome”. He’s just awesome at what he does and he is a genuinely good person. Everything went smoothly and he left no stone unturned when it came to making sure that my experience was positive."
  2. ONeal

    They Treat Me Like Family

    "All of my boats have been great and what keeps me returning to Tri-State is the staff. You're treated like family - there is no desire to negotiate because you are confident they are giving you the best price and are always honest. From the Sales Team, the guys in the shop working on the boats to Dawn at the Marina, they are all so helpful and that is the reason I continue to come back."
  3. sammy

    Top Notch

    "The folks at Tri-State Marine are top notch! I recently purchased my first (new) boat and they were incredibly patient with me, as this was a big decision. I was on the fence about another boat and they made it very clear that they wanted me to be happy, as opposed to the “sale”. Ron, my sales representative was outstanding and always responsive. They have earned my business and support for many years!"
  • Grady-White

    Enjoy the highest level of boat owner satisfaction, found only in a Grady‑⁠⁠⁠White.

  • Parker Offshore

    Experience unmatched quality, safety and value, without compromise, in a Parker Offshore boat.

  • Achilles

    Achilles manufactures one of the highest quality inflatable boats in the world.

  • Yamaha Outboards

    Legendary Yamaha reliability, purpose-built from the ground up to withstand the rigors of offshore boating.

  • Garmin Electronics

    Easy-to-understand, simple-to-use and the most dependable electronics for your time on the water.

  • EZ Loader Trailers

    Engineered to be fully adjustable, built using a heavy-duty frame and the highest quality components.