Located at Diamond Cove on Great Diamond Island, Portland Maine

Managed by:

Portland Harbor Hotel


Inn at Diamond Cove

22 McKinley Court
Portland, ME 04109
Phone: 207-805-9836

Portland Marina

Portland Harbor Fleet
Portland Harbor Fleet

Located at the northern end of Great Diamond Island, the full -service marina can accommodate large sailboats and motor boats.

Reservations required for overnight dockage – #207-766-5694
  • Marina monitors VHF channel 9
  • Approach is 20 feet deep, with 12 foot depth at the dock.
  • Dingy dockage
  • Water, Electrical (110/220 and 30/50 amp service)
Saturday April 29, 2017