Kakaban island is part of the Derawan Islands, East Kalimantan, Indonesia.
The island has an area of and is quite steep. Its limestone cliffs are covered with dense jungle right down to the water's edge. The wall drops to , and currents can be strong with upwelling, downcurrent and reversing directions.
The most distinctive feature is the huge brackish water lake in the middle of the island, in the local dialect Kakaban means "hug" as the island hugs the lake from the surrounding seawater.