Islesboro, a breathtakingly beautiful, quiet island off the coast of Lincolnville, is a 14 mile long, narrow island in upper Penobscot Bay. It lies 3 miles from Lincolnville and only 2 miles from the east shore. Penobscot Native Americans called the island Pitaubegwimenahanuk, which meant, “the island that lies between two channels.” The island has ...