Banaba Islan (pronounced /bəˈnɑːbə/) (also Ocean Island), an island in the Pacific Ocean, is a solitary raised coral island west of the Gilbert Island chain and 300 km east of Nauru. It is part of the Republic of Kiribati. It has an area of 6.5 km², and the highest point on the island is also the highest point in Kiribati, at 81 metres (266 feet) high. Along with Nauru and Makatea, it is one of the important elevated phosphate islands of the Pacific.