Cranberry Isles is a town in Hancock County, Maine, United States.

The racial makeup of the town was 97.9% White, 0.7% African American, and 1.4% from two or more races.

42.9% of all households were made up of individuals, and 20% had someone living alone who was 65 years of age or older.

As of the census[5] of 2000, there were 128 people living year round in the Cranberry Isles.

The population density of Great Cranberry Island was 40.3 people per square mile (15.6/km2).