OC-166 Kalimantan's Coastal Islands East

The Derawan Islands are in the province of East Kalimantan in Indonesia. They consist of 31 islands, most well known among these are the islands of Derawan, Maratua, Sangalaki and Kakaban. There are also numerous submerged reefs and islets. They are located in the Sulawesi Sea, on the coastal shelf of East Kalimantan