Small island located at the north-west edge of Truk Lagoon, to the north-east of Taualap Passage. Known as Yawata Shima by the Japanese.

During the war, there were two shielded 15cm coastal defense guns in open emplacements with a parapet on the shore side, capable of 360 degree feild of fire. Ammunition storehouses, barracks, fire control tower, and generator building were also located on the island. A detachment of the 43rd Naval Guard Force was stationed on the island.