Blue Hill is a town in Hancock County, Maine, United States. The population was 2,686 at the 2010 census. It is home to the Blue Hill Public Library, Blue Hill Memorial Hospital, George Stevens Academy, the Blue Hill Harbor School, New Surry Theatre, Kneisel Hall, Bagaduce Music Lending Library, the Kollegewidgwok Yacht Club, the Marine & Environmental Research Institute, and the Blue Hill Country Club. A community on Blue Hill Bay, the town is the site of the annual Blue Hill Fair.