Tioman is an island in eastern Malaysia washed by the South China Sea. The island is 20 km long and 12 km wide. It is sparsely-populated because of thick and impassable green, but at the same time due to it in 1970s Time magazine named this island one of the most beautiful in the world. There are 8 villages in Tioman; Kampung Tekek is the biggest among them.
During World War II, there were Japanese and British military posts positioned here. Therefore local waters are full of exciting wrecks. The island is a part of a marine reserve due to its unique flora and fauna, which attract thousands of divers every year.
The topography of dive sites of Tioman is diverse: there are granitic boulders, small caves and canyons, underwater peaks and coral gardens.
The diving season starts at the end of January and lasts until the middle of November. The water temperature during this time varies between +27-30 °C. Underwater visibility ranges from 5 to 30 meters, depending on the season. It is better in spring (from February to May) and at the end of the season (September to November). The worst visibility (8 m) is in summer (July and August).
There are more than 15 excellent dive sites in the waters of Tioman. There are whole 3 wrecks in KM Sipadan/Sawadee dive site: 2 fishery ships and a naval vessel lying at a radius of 30 meters. There are many sea snakes, reef stonefish, shorthorn sculpins and nudibranchs, as well as giant caranxes and barracudas.
Renggis is a small island with reefs embordering swallow waters. They are overgrown with corals and full of sea life.