Deale-Inventory-2

We're excited to introduce our Baltimore/ Middle River area customers to local sales and service of Grady-White and Parker Offshore Boats though our exclusive partnership with Maryland Boat Sales

We've partnered with Maryland Boat Sales and now have boats for your viewing in Baltimore/Middle River. Please note boat locations indicated in listings below.

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 place particular pride in having one of the largest indoor boat showrooms in the United States at our Deale, MD location and now we are equally proud to better serve our customers in Middle River at Maryland Boat Sales.

Whether you’re looking for a new boat or a pre-owned boat, marine services of any kind, parts, accessories or storage, Tri-State Marine is your destination for all of your Chesapeake Bay boating experience needs – now in three locations!

  • Parker 2120 Sport Cabin

    Parker 2120 Sport Cabin

    In Middle River

    • Location

      Middle River
    • Year

      2024
    • Length

      21' 0"
    • Type

      Sport Cabin
    • Capacity

      10
    • Engine

      Yamaha F-200
    • Power

      200 HP
    • Color

      Custom White
    • Price

      ‘Big Summer’ savings!
  • Grady-White 216 Fisherman

    Grady-White 216 Fisherman

    In Middle River

    • Location

      Middle River
    • Year

      2024
    • Length

      21' 3"
    • Type

      Center Console
    • Capacity

      8
    • Engine

      Yamaha F-250
    • Power

      250 HP
    • Color

      Classic Grady White
    • Price

      ‘Big Summer’ savings!
  • Grady-White 235 Freedom

    Grady-White 235 Freedom

    In Middle River

    • Location

      Middle River
    • Year

      2024
    • Length

      23' 7"
    • Type

      Dual Console
    • Capacity

      10
    • Engine

      Yamaha F-300
    • Power

      300 HP
    • Color

      Ocean Mist Blue
    • Price

      ‘Big Summer’ savings!
    • Arrival Date

      JUST ARRIVED!

    Boat Details:

    JUST ARRIVED!

    View This Boat
  • Grady-White 251 Coastal Explorer

    Grady-White 251 Coastal Explorer

    In Middle River

    • Location

      Middle River
    • Year

      2024
    • Length

      24' 7"
    • Type

      Coastal Explorer
    • Capacity

      10
    • Engine

      Yamaha F-300 IDES
    • Power

      300 HP
    • Color

      Classic Grady White
    • Price

      ‘Big Summer’ savings!
    • Arrival Date

      JUST ARRIVED!

    Boat Details:

    JUST ARRIVED!

    View This Boat
  • Grady-White 257 Fisherman

    Grady-White 257 Fisherman

    In Middle River

    • Location

      Middle River
    • Year

      2024
    • Length

      24' 9"
    • Type

      Center Console
    • Capacity

      10
    • Engine

      Twin Yamaha F-200
    • Power

      400 HP
    • Color

      Celestial Blue
    • Price

      ‘Big Summer’ savings!

    Boat Details:

    JUST ARRIVED!

    View This Boat
  • Parker 2520 XLD Sport Cabin

    Parker 2520 XLD Sport Cabin

    In Middle River

    • Location

      Middle River
    • Year

      2024
    • Length

      25' 4"
    • Type

      Sport Cabin
    • Capacity

      12
    • Engine

      Twin Yamaha F-200
    • Power

      400 HP
    • Color

      Custom White
    • Price

      ‘Big Summer’ savings!
  • Parker 2820 XLD Sport Cabin

    Parker 2820 XLD Sport Cabin

    In Middle River

    • Location

      Middle River
    • Year

      2024
    • Length

      28' 0"
    • Type

      Sport Cabin
    • Capacity

      12
    • Engine

      Twin Yamaha F-300
    • Power

      600 HP
    • Color

      Custom White
    • Price

      ‘Big Summer’ savings!
  • Parker 18 SE

    Parker 18 SE

    In Middle River

    • Location

      Middle River
    • Year

      2025
    • Length

      18' 6"
    • Type

      Center Console
    • Capacity

      6
    • Engine

      Yamaha F-150
    • Power

      150 HP
    • Color

      Ice Blue

    Boat Details:

    NEW MODEL!

    View This Boat
  • Parker 23 SE

    Parker 23 SE

    In Middle River

    • Location

      Middle River
    • Year

      2025
    • Length

      23' 0"
    • Type

      Center Console
    • Capacity

      10
    • Engine

      Yamaha F-250
    • Power

      250 HP
    • Color

      Custom White