Tan Hiep island commune, also known as Cu Lao Cham, is a precious gem located about 15km from mainland Hoi An.This is a world biosphere reserve with a diverse ecosystem, from brilliant coral reefs under the university to lush primeval forests.Tan Hiep owns beautiful beaches such as Bai Ong, Bai Chong, Bai Huong with clear water that can be seen to the bottom.