Bali Hai Divers - Scuba Diving Paradise - Tioman Island, Malaysia, A true jewel, Tioman Island Malaysia is a treasure trove of choices! From diving in her clear emerald waters, sheltered reefs teeming with marine life, to exploring her untouched rainforest with cascading waterfalls and mountains shrouded in mist and clouds, or simply soaking up the sun with white powdery warm sand between your toes.