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 PrÃÂncipe, one of the main islands of São Tomé and PrÃÂncipe, and is almost completely forested. Its population is 15 (2008 est.). There is a tourist resort on the island. The island is connected to the main island of PrÃÂncipe by a footbridge. There is a lighthouse on the island built in 1997. Its focal height is 64 meters (210 ft) and its range is .
Since 2012, it forms a part of the UNESCO's Island of PrÃÂncipe Biosphere Reserve.