Stonehenge in Malaysia is a diverse site featuring a mix of natural reef, pinnacle, and artificial reef structures. Reaching depths between 1 and 40 metres, the site requires boat access and is suitable for various skill levels, though deeper sections necessitate Advanced Open Water certification. Visibility is variable, ranging from 5 to 30 metres. Divers frequently encounter wrasses, while less common sightings include giant moray, sea krait, titan triggerfish, and various butterflyfish. Hazards include jellyfish, sea urchins, stonefish, and strong, variable currents. Guided tours are available to assist with navigation and current management. Divers should maintain buoyancy to avoid contact with sharp coral or rocks and watch for stonefish on the seabed.

Tarutao offers a diverse underwater landscape featuring reefs, wrecks, and pinnacles. Depths range from 5 to 50 metres, with an average of 25 metres. The site is defined by strong currents, which necessitate careful planning around slack water. Divers may encounter overhead environments, and shore entries require caution due to potential surf and shore break. Visibility varies significantly from 5 to 30 metres. While rated for beginners, the presence of strong currents and overhead environments requires an Advanced Open Water certification. Night diving is available, and facilities include parking, toilets, first aid, and boat charters. Typical dive times are approximately 50 minutes.

Koh Adang offers a diverse underwater environment featuring reefs, pinnacles, drift sections, and wrecks. Depths range from 5 to 20 metres, with an average of 15 metres, making the site suitable for beginners. Visibility varies significantly between 5 and 30 metres. Access is strictly by boat, and divers should be prepared for moderate currents that can strengthen unexpectedly. Water temperatures remain consistent between 28 and 31C throughout the year. Hazards include active boat traffic, sharp coral, and rocks. Divers are advised to use a surface marker buoy and remain close to their guide. Night diving is available, and a cafe is located on-site for post-dive refreshments.

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.

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.

Pattaya Corner at Koh Adang is a reef and wall site featuring drift diving conditions. Located 200 metres from shore, the site offers depths ranging from 12 to 25 metres, with an average depth of 17 metres. Divers should be prepared for moderate currents and visibility that fluctuates between 5 and 30 metres. Access is strictly by boat. The site is suitable for intermediate divers and supports night diving. Water temperatures remain consistent, ranging from 28 to 30 degrees Celsius throughout the year. Hazards include jellyfish, sharp coral, and strong currents. Air fills are available for those planning their dives.

Plamong is a shore-entry reef site located on Koh Adang, Thailand, suitable for beginner divers. The site features depths ranging from 2 to 14 metres and visibility between 10 and 25 metres. Divers can observe hard and soft corals, wrasses, butterflyfish, and Ocellaris anemonefish living within magnificent giant anemones. Other species recorded include sea kraits, Moorish idols, rock cod, painted spiny lobsters, and blackspotted pufferfish. While currents are generally mild, they can strengthen unexpectedly. Divers should monitor surface conditions before entry and seek shelter behind coral structures if currents increase. Facilities available on-site include showers, changing rooms, and a rinse station.