Islesboro, Maine

Islesboro is a town in Waldo County, Maine, United States, comprising Islesboro Island and several smaller islands. The population was 583 at the 2020 census. It has a summer colony accessible by state ferry service from Lincolnville Beach three miles to the west, by private boat, or by air taxi service. Home to Warren Island State Park, Islesboro includes the village of Dark Harbor.