Located in Nha Trang, Vietnam, Hon Mun is also known as either Coral Island or Black Island. This is one of Nha Trang's famous sightseeing islands. The sea around Hon Mun is exceptionally clear and the waves are relatively gentle, making it eminently suitable for diving and swimming. Visitors here can see and enjoy many different corals and fish by swimming and snorkeling. They can also just enjoy a relaxing time on the island.