Cliff Island

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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.^[1]

In the early 20th century, the island's inns were a draw for summer tourists. There are no longer any hotels, but many homes are available for weekly rentals or longer. While there are no public services, residents enjoy a community hall, a tennis court, baseball field, and playground. The residents are served by a USPS Post Office,^[2] fire department, and one-room school for elementary grades.^[3] While the postal service has considered closing the office in the past, the islanders have managed to keep it in operation for six hours a day.^[4]