Stone Henge is a prominent pinnacle and reef site located 3000 metres from the shore of Koh Adang. This exposed site features a complex topography that reaches depths between 5 and 40 metres, with an average depth of 25 metres. Due to its open location, divers must be prepared for strong currents and variable visibility ranging from 5 to 30 metres. Access is strictly by boat, and the site is best suited for intermediate divers capable of managing drift conditions. Water temperatures remain consistent, typically between 26 and 30 degrees Celsius. The site is characterised by its reef structure and pinnacle formations.

Koh Talak North in Malaysia features a combination of a shallow reef and a wall section, providing a straightforward layout for divers. The site reaches depths between 5 and 16 metres, with an average depth of 10 metres. Water temperatures remain warm, ranging from 29 to 31 degrees Celsius. Access is by boat, as the site is located 30 kilometres from shore. Currents are typically mild, though visibility can fluctuate between 5 and 20 metres. Due to the potential for low visibility, divers should consult their guide on-site to determine whether the reef or wall section offers the best conditions for the day.

Koh Talang Steps is a varied dive site located off Koh Adang, featuring a distinct step-like topography that descends to a maximum depth of 30 metres. The site encompasses a reef, wall, and pinnacle structure, making it suitable for intermediate divers. Access is by boat, with the site situated 1500 metres from shore. Divers encounter mild currents and visibility ranging from 10 to 30 metres. Species recorded around this area include wrasses, groupers, butterflyfish, and anemonefish. Hazards to be aware of include boat traffic, sharp coral, and strong currents. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius.

White Rock is a reef site located off Koh Adang, Thailand, suitable for beginner divers. The reef starts in shallow water and slopes to a maximum depth of 25 metres, with an average depth of 12 metres. Visibility ranges from 10 to 25 metres, and currents are generally mild. Access is by boat only, and the site is suitable for night diving. Divers should be aware that jellyfish can be present, and wearing a full wetsuit or thin exposure suit is recommended as a precaution. Guided tours and boat charters are available for those wishing to visit this site.

Ko U-Sen is a reef site located in the Perhentian and Redang area of Malaysia. This site is accessible only by boat and is suitable for intermediate divers. Water temperatures remain consistent throughout the year, ranging between 29 and 31 degrees Celsius. Conditions such as depth and visibility are variable, and currents can change with little warning, requiring divers to maintain good buoyancy control and awareness of their position relative to the reef. Divers should exercise caution regarding entanglement risks near reef structures and avoid contact with sharp coral or rocks. Always confirm current conditions with your boat operator before entering the water.

Koh Kra is a shallow reef site in Malaysia, offering an accessible environment for beginner divers. The reef sits at depths between 1 and 10 metres, with an average depth of 6 metres. Divers can expect visibility ranging from 15 to 25 metres and water temperatures between 29 and 31 degrees Celsius. While currents are generally mild, strong currents can occur, and divers should remain close to their boat or guide during ascents and descents. Access to this site is by boat only, located 10 kilometres from the shore. Typical dives last approximately 45 minutes.

Snorkeling in Malaysia offers access to both natural reef structures and artificial reefs. The site is suitable for beginners, with depths ranging from 2 to 15 metres and an average depth of 8 metres. Entry is via the shore, and conditions are generally mild, though visibility fluctuates between 3 and 15 metres. Water temperatures remain warm throughout the year, typically between 29 and 31 degrees Celsius. Snorkellers should remain aware of boat traffic in the area, as well as the presence of jellyfish and sharp coral. A typical session lasts approximately 60 minutes.

Honeycomb Beach on Koh Adang offers a combination of reef and muck diving, suitable for beginner divers. The site features depths between 5 and 15 metres with an average of 10 metres. Divers experience mild currents and visibility ranging from 5 to 20 metres. Access is by boat, and divers should note the presence of a shore break during entry and exit. The topography includes reef sections interspersed with sandy patches. Divers should remain aware of jellyfish in the water. Guided tours are available for those seeking assistance in locating specific marine life within the reef and sandy areas.