Derawan Islands located in the Celebes Sea, on the coast of Berau Regency, East Kalimantan, overlooking the mouth of the estuary of the River known as the Delta Kelai and Berau. This archipelago consists of six large islands, namely Pulau Derawan, Island Charitable organization Kakaban, Maratua Island, Long Island, Pulau Samama, and several small islands and coral clusters. There are 21 islands in this archipelago. Cluster Islands Derawan only a fraction of the hundreds of islands on the east coast Kalimantan which amounts to 248 islands.
