Boffa Island (66°28′S110°37′E) is a rocky, ridge-like Antarctic island, 0.8 mi (1.3 km) long, lying half a mile east of Browning Peninsula between Bosner and Birkenhauer Islands, in the south part of the Windmill Islands. It was first mapped by USN Operation Highjump and Operation Windmill in 1947 and 1948. Named by the US-ACAN for W. C.