🏝️ Cliff Island

Cliff Island is an island in Casco Bay, Maine, United States. It is part of the city of Portland. As of the 2000 census, the island had a year-round population of approximately 60 people. In the summer, the island's population grows to about 200, despite the fact that it is the only year-round inhabited island in Casco Bay with no paved roads. The ZIP Code for Cliff Island is 04019.