Koh Bitsi is a boat-access drift and reef site located off Koh Adang. Divers explore hard and soft coral structures at depths ranging from 5 to 17 metres, with an average depth of 12 metres. Visibility varies between 8 and 25 metres. Due to moderate currents that can strengthen quickly, this site is best suited for intermediate divers with drift experience. Always confirm current direction with your operator before entry, as it can shift between morning and afternoon. Hazards include lionfish, sharks, and strong currents. Divers should scan the reef before touching surfaces and maintain a clear plan for group signalling.

Waterfall is a muck and reef dive site located 1500 metres off Koh Adang, Thailand. The site features depths ranging from 6 to 19 metres, with an average of 15 metres, making it suitable for beginner divers. Access is by boat only. Divers encounter mild currents and visibility between 10 and 25 metres. The topography consists of small coral patches that provide shelter for various marine life. Divers should be cautious of sharp coral and rocks. Species recorded around this area include wrasses, groupers, butterflyfish, and anemonefish. Night diving is available and recommended for observing cryptic species that hide in crevices during the day.

Ao Taloo Lancha is a reef site located off Koh Adang, Thailand, offering a shallow environment suitable for beginner divers. The reef features a mix of hard and soft corals across depths ranging from 5 to 14 metres, with an average depth of 9 metres. Divers typically experience mild currents and visibility between 10 and 20 metres. Access is by boat only, and divers should remain cautious of sharp coral formations and surface boat traffic. With water temperatures consistently between 29 and 31 degrees Celsius, the site provides a comfortable setting for 45-minute dives.

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.

Long Beach/Mini Rocks is a reef and artificial reef site located off Koh Adang, Thailand. Accessible only by boat, the site sits approximately 5000 metres from shore. Divers can expect depths ranging from 6 to 9 metres, with an average depth of 7 metres. Conditions are generally mild, though visibility varies between 5 and 15 metres. The water temperature remains consistent throughout the year, typically between 29C and 31C. Due to the nature of the environment, divers should be aware of boat traffic and sharp coral. This site is suitable for beginners, with typical dives lasting around 45 minutes.

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.

Koh Usen is a reef site located off Koh Adang, Thailand, suitable for both diving and snorkelling. The site features a consistent depth of approximately 8 metres, making it an accessible location for beginners. Entry is via the shore, and divers can expect mild currents and visibility ranging from 10 to 20 metres. Water temperatures remain warm throughout the year, typically between 29C and 31C. Night diving is available at this location. Hazards to be aware of include boat traffic and sharp coral. Species recorded around this area include wrasses, butterflyfish, parrotfish, anemonefish, groupers, moray eels, sea kraits, and spiny lobsters.

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.