Hin Muang is a remote offshore pinnacle in the Andaman Sea, featuring a dramatic wall that drops from 8 metres at the summit to 70 metres at its base. This site is suited for advanced divers due to strong, unpredictable currents and significant depths. Visibility typically ranges between 10 and 30 metres. Access is strictly by boat, and divers must be prepared for drift diving conditions. Due to the open-water location and potential for rapid current shifts, the use of a surface marker buoy and dive computer is essential for all divers. Water temperatures generally range from 28 to 31C, though thermoclines may create cooler layers at depth.

Koh Rok Noi is a reef and drift dive site located in the Andaman Sea, suitable for intermediate divers. The topography features boulder corals, sea whips, and anemones, with depths ranging from 5 to 30 metres. Visibility typically reaches between 10 and 30 metres. Divers must access the site by boat, and moderate currents are common, requiring careful monitoring of conditions. Night diving is available, offering opportunities to observe nocturnal activity. Due to the potential for strengthening currents and the presence of sharp coral and rocks, divers should carry a surface marker buoy and maintain distance from the reef structure.

Ko Rok Nok offers a combination of reef and muck diving environments in the Andaman Sea. The site features depths ranging from 15 to 23 metres, with an average depth of 15 metres, making it suitable for beginner divers. Visibility typically fluctuates between 10 and 30 metres. Access is exclusively by boat, requiring a journey from Koh Lanta. Divers should be aware that currents can strengthen quickly, necessitating close proximity to a guide and careful monitoring of position relative to the boat. Night diving is available at this location. Water temperatures remain between 29 and 31 degrees Celsius throughout the year.

Hin Ngam is a reef and pinnacle site located at Koh Haa, Thailand. Suitable for beginners, the site features depths ranging from 5 to 20 metres with an average of 10 metres. Visibility typically spans 10 to 30 metres. Access is by boat only, and divers should be aware of mild currents that can increase unexpectedly. The reef structure includes fire coral, bubble corals, giant barrel sponges, and gorgonian sea fans. Divers may encounter sharks at this location; maintain a calm presence and keep distance. Always check current conditions with your dive operator before entry and remain near the reef for shelter.

Lak Siam is a reef dive located at Koh Haa, Thailand, suitable for beginner divers. The site features depths ranging from 5 to 19 metres with an average of 12 metres. Access is by boat, and visibility typically spans 15 to 30 metres. Divers frequently encounter Melon Butterflyfish, Moon Wrasse, and Rabbitfish. Other species recorded include Ocellaris Anemonefish, Moorish Idols, and various parrotfish and groupers. While currents are generally mild, they can increase, requiring divers to monitor their position. Hazards include stonefish, lionfish, sea urchins, and sharp coral. Divers should exercise caution regarding hand and fin placement on the reef structure to avoid contact with these organisms.

Ko Rok Nai, located near Koh Haa, offers a varied underwater environment featuring reef sections, a cave, and drift diving opportunities. Depths range from 5 to 20 metres, with an average of 12 metres, making it suitable for beginners. Visibility typically spans 10 to 30 metres. Water temperatures are warm, ranging between 29 and 31C. Divers should be aware of moderate currents and potential hazards including lionfish, sea urchins, and sharp coral. Boat traffic is active at the surface, requiring careful ascent procedures. Species recorded around this area include wrasses, Moorish idols, pufferfish, butterflyfish, anemonefish, and parrotfish. Night diving is available at this site.

Ko Rok Noi is a reef and muck site located near Koh Haa, Thailand, accessible only by boat. The site features a varied topography with coral heads, particularly along the southeast coast. Depths range from 3m to 30m, with an average depth of 12m, making it suitable for beginners. Conditions are generally mild with visibility between 10m and 30m. Water temperatures remain consistently warm throughout the year, ranging from 29C to 31C. The site is suitable for both diving and snorkelling, with night diving also available. Divers and snorkellers should be aware of potential hazards including jellyfish, sharks, sharp coral, and strong currents.

Koh Haa is a diverse marine site near Koh Lanta, Thailand, featuring a complex topography of reefs, walls, caverns, and drop-offs. Divers and snorkellers can explore depths ranging from 1 to 45 metres, with an average depth of 15 metres. Access is strictly by boat, as the site is located 20 kilometres from shore. Conditions generally feature mild currents and visibility between 15 and 30 metres. A thermocline may occur at greater depths, leading to temperature drops and reduced visibility. Hazards include boat traffic, overhead environments within the caverns, and sharp coral. Species recorded around this area include wrasses, Titan Triggerfish, Giant Moray, and Indian Lionfish.