Tioman Island offers diverse underwater topography including reefs, wrecks, pinnacles, and walls. Suitable for all skill levels, the site features depths ranging from 3 to 30 metres with an average of 14 metres. Divers can expect mild currents and visibility between 8 and 30 metres. Water temperatures remain consistent, typically between 28 and 30C. Access is available via both shore and boat entries. Facilities on the island include equipment rental, air fills, rinse stations, and guided tours. Night diving is permitted, with typical dives lasting 50 minutes. Hazards include jellyfish, sea urchins, and stonefish, as well as potential for strong currents or low visibility.

Tomok Island is a small islet located 450 metres from the shore near Paya Beach. The site features a channel between the islet and the mainland that contains dense coral growth. Divers and snorkellers can access the site by boat or, during low tide, by walking across a sandbank. The area is suitable for beginners, with depths ranging from 2 to 5 metres and an average depth of 3 metres. Conditions are generally mild with visibility varying between 8 and 25 metres. Water temperatures remain consistent, averaging 29 degrees Celsius. Divers should be aware of sharp coral throughout the reef area.

Bus Station is a wreck site located off Tioman Island, Malaysia, featuring a structure that rises from a maximum depth of 15 metres to within easy reach of the surface. This site is suitable for beginners and is accessed exclusively by boat to avoid shore break hazards. Visibility typically ranges between 8 and 20 metres, while water temperatures remain consistent between 28 and 30 degrees Celsius. Although currents are generally mild, they can strengthen, requiring snorkellers to remain close to the boat and monitor surface conditions. The wreck provides a hard structure that supports local reef fish and various marine invertebrates.

Pulau Renggis is a reef and wreck site located 500 metres off the coast of Tioman Island, Malaysia. The site offers depths ranging from 4 to 20 metres, with an average depth of 13 metres. It is suitable for beginners and accessible by boat. Conditions vary, with visibility ranging from 3 to 30 metres and mild currents. The water temperature remains warm throughout the year, between 28 and 30 degrees Celsius. Hazards at this site include the potential for low visibility, surf, and sharp coral. Night diving is permitted at this location, with typical dives lasting approximately 50 minutes.

Melina Beach on the west coast of Tioman Island features a fringing reef accessible directly from the shore. This site is well-suited for beginners, with an average depth of 4 metres and a maximum depth of 5 metres. Divers and snorkellers encounter mild currents and visibility ranging from 5 to 15 metres. The water temperature remains warm throughout the year, between 28C and 30C. Species recorded around this area include various wrasses, bluespotted fantail rays, and elongate clams. Facilities at the beach include toilets, showers, changing rooms, a rinse station, and equipment rental. Be aware of sea urchins when entering the water.

Tumuk is a reef site located off Tioman Island, Malaysia, accessible only by boat. The site features a shallow depth range, typically between 3 and 5 metres, with an average depth of 11 metres. Divers should be prepared for moderate currents and visibility that fluctuates between 5 and 25 metres. Due to the presence of sharp coral and potential for strong currents, this site is suited for intermediate divers. Night diving is permitted at this location. Species recorded around this area include Hawksbill Sea Turtles, Bluespotted Fantail Rays, Blue Ringed Angelfish, Zebra Lionfish, various nudibranchs, Giant Morays, Broadclub Cuttlefish, and wrasses.

Pirate Reef at Tioman Island features a combination of natural coral formations and artificial reef structures. Situated 800 metres from shore, this site is accessible by boat and offers a manageable environment for beginner divers. The depth ranges from 5 to 18 metres with an average of 14 metres. Divers encounter mild currents and visibility that varies between 8 and 25 metres. Water temperatures remain consistent between 28 and 30 degrees Celsius throughout the year. Due to the presence of sharp coral and rock, maintaining neutral buoyancy is essential. The site supports night diving and typically hosts 45-minute dives.

Tekek South Bay is a shore-accessible reef located near the village of Tekek on Tioman Island. This site is suitable for beginners, offering a shallow snorkeling experience with depths ranging from 1 to 4 metres and an average of 3 metres. Conditions are generally mild, though visibility varies between 5 and 10 metres. The site features a reef stretching along the coast, providing a convenient entry point for visitors. Facilities at the bay include parking, toilets, showers, changing rooms, and nearby cafes. Divers and snorkellers should remain aware of boat traffic and the presence of jellyfish in the area.