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The Marina is open for the 2022 Season.  For further Boat slip rental information please call (207) 775 9090.
Located at the northern end of Great Diamond Island, the full-service marina accommodates sailboats and motorboats of all sizes.

  • The marina monitors VHF channel 9.
  • Approach is 20-feet deep with a 12-foot depth at the dock.
  • Dinghy dockage available.
  • Water and Electrical (110/220 and 30/50 amp service).
  • Restrooms and showers available.
  • Ice available.
  • Reservations are required for overnight dockage.