Eiao

Coordinates: 8°00′S 140°42′W / 8°S 140.7°W / -8; -140.7 Eiao is the largest of the extreme northwestern Marquesas Islands. The island was discovered in 1791 by the American sea captain Joseph Ingraham, who named it Knox Island in honour of the U.S. Secretary of War at that time, Henry Knox. Other names given to this island by Western explorers include Masse, Fremantle, and Robert.