Sibuan is a beautiful island in the Celebes sea, about 45 minutes by boat from Semporna. Long and narrow, it has a triangular shape if viewed from above. At the southern end there is a long narrow strip of sand, which gets flooded at high tide. In the center of the island there is a small forest and the beaches are lined with coconut trees.

At the northern end there is a small military base staffed by Malaysian soldiers, necessary to guarantee protection against pirates. There are no hotels or other accomodation on Sibuan and in fact all tourists come here on day trips. On the island there is a small village of sea gipsies.

The beaches are all beautiful and consist of (almost) white coral sand. The only area suitable for swimming is the southern end, because elsewhere you have to wade through the coral banks before being able to reach the sea. The sea water is crystal clear, but underwater visibility is limited to less than 10m.