Bar Island is an island in Bar Harbor, Maine, US.
Bar Island may also refer to:
Bar Island (New Brunswick), two islands in the Bay of Fundy, New Brunswick, Canada Bar Island, a moraine in Sandy Point State Reservation, Massachusetts, US Bar Island (Antarctica), a small island off the Antarctic Peninsula Bar Island (New South Wales), a small island in the Hawkesbury River of Australia
See also Islet, a very small island made of rock, sand, and/or coral Shoal, a natural submerged ridge, bank, or bar that consists of, or is covered by, sand