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Area Guide

Diamond Cove is an island resort community on Great Diamond Island Maine.

Amenities include:

  • Marina: For overnight dockage at the Marina in the summer, call 207-766-5694
  • Fort McKinley: The largest of five military complexes constructed in Portland Harbor in the late 19th and early 20th centuries
  • The Fort protected Maine's principal city in one of the most well defended harbors in the country
  • Fitness Room: Located in the former Fort McKinley Post Exchange
  • Yoga Studio: Located downstairs in the Administration Building

Diamond Cove Map