Ilhéu Bom Bom, also written as Ilhéu Bombom, is an island in the Gulf of Guinea. The islet is located near the north coast of the island of Príncipe, one of the main islands of São Tomé and Príncipe, and is almost completely forested. Its population is 15. There is a tourist resort on the island. The island is connected to the main island of Príncipe by a footbridge. There is a lighthouse on the island built in 1997. Its focal height is 64 meters and its range is 12 nmi.