Diamond Cove Marina Diamond Cove Marina. Portland marinas.
Diamond Cove Marina
Great Diamond Island
Water, electrical (110/220 and 30/50 amp service), restrooms, showers, ice and laundry facilities.
3 miles from downtown portland, ferry service and water taxi to town is available.
General store operated seasonally with convenicence products including beer, wine, sandwishes and fresh lobster.
Diamonds Edge Restaurant (Five-star) is located 150 yards from the pier.
Located at the northern end of Great Diamond Island.
More information: https://www.diamondcove.com/page9.html
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