Beall Island (66°18′S110°29′E) is an Antarctic rocky island, 1.1 mi (1.8 km) long, with small coves indenting the east and west sides, lying 0.2 mi (0.32 km) northwest of Mitchell Peninsula in the Windmill Islands. It was first mapped from air photos taken by USN Operation Highjump and Operation Windmill in 1947 and 1948. It was named by the US-ACAN for James M. Beall, U.S.