The HTMS Chang is a 100-metre shipwreck located near the islands of Koh Chang. As an artificial reef, the wreck sits at depths ranging from 5 to 32 metres, with an average depth of 23 metres. The site is accessible only by boat and is suitable for intermediate divers. Conditions vary, with visibility between 5 and 25 metres and mild currents. Hazards include boat traffic, deep sections, potential entanglement, overhead environments, and sharp structures. Divers should be aware of lionfish, sea urchins, and sharp coral present at the site. Night diving is available, and typical dives last around 35 minutes.

Hin Luk Bat is a pinnacle and reef site located 3000 metres from shore near the islands of Koh Chang. The site features a mix of natural reef and artificial structures, with depths ranging from 5 to 25 metres. It is suitable for beginners, though divers should remain close to their guide due to currents that can strengthen without warning. Visibility varies between 5 and 25 metres, and water temperatures remain warm, typically between 28C and 31C. Hazards include surge near the pinnacle, lionfish in crevices, and variable currents. Night diving is available, offering a different perspective of the reef structure. Boat access is required for all visits.

Koh Yak Lek is a reef dive site located 3000 metres from shore in the Gulf of Thailand. Suitable for beginners, the site features depths ranging from 5 to 15 metres with an average of 10 metres. Divers can expect mild currents and visibility between 5 and 15 metres. Access is by boat only, with typical dive times around 60 minutes. The reef structure contains sharp coral and rocks, requiring careful buoyancy control to avoid contact. Wearing a full wetsuit is recommended to prevent cuts from the reef. Conditions are generally stable year-round, though early morning visits often provide the calmest water and optimal visibility.

Hin Tai Nam is an underwater hill located near the Near Islands in Thailand. This reef site features soft corals and a garden of elephant ear coral. Divers can expect depths ranging from 5 to 18 metres, with an average depth of 10 metres. Conditions are generally mild, with visibility between 5 and 20 metres and water temperatures averaging 29 to 31 degrees Celsius. Access is by boat only, and the site is suitable for beginners. Species recorded around this area include Blue Ringed Angelfish, various wrasses, groupers, Eightband Butterflyfish, Blue-barred Parrotfish, and Pink Skunk Anemonefish. Be aware of sharp coral when navigating the reef.

The T11 wreck is a small vessel broken in the middle, resting on a sandy bottom near the Near Islands. The bow and stern remain upright, with the stern offering limited penetration opportunities to view the rudder room and bathroom. Divers typically spend 20 minutes exploring the wreck before swimming to the nearby Hin Raab coral reef to complete the dive. Depths range from 10 to 16 metres with mild currents and visibility between 5 and 20 metres. This site is suitable for beginners. Hazards include lionfish and triggerfish. Species recorded around this area include wrasses, groupers, parrotfish, butterflyfish, and anemonefish.

Blueberry Hill is a diverse marine site located near the Near Islands in Thailand. The topography features a combination of reef, pinnacle, canyon, and artificial reef structures. Suitable for beginners, the site offers depths ranging from 3 to 18 metres with an average of 13 metres. Access is by boat, as the site is situated 5000 metres from the shore. Divers can expect mild currents and visibility ranging from 3 to 25 metres. Water temperatures are consistent, typically between 29 and 31 degrees Celsius. Night diving is permitted at this location. Divers should be aware of sharp coral present throughout the site.

Hin Raab is a rocky pinnacle site located near the Near Islands in the Gulf of Thailand. This site features a mix of reef, wreck, and artificial reef structures, with depths ranging from 4 to 22 metres and an average depth of 12 metres. Divers and snorkellers access the site by boat, which is required due to its distance of 5000 metres from shore. Conditions vary, with visibility between 3 and 20 metres and moderate currents. The site is suitable for beginners, with typical dives lasting 60 minutes. Hazards to be aware of include jellyfish, lionfish, sea urchins, sharp coral, stonefish, and strong currents.

Hin Rap is a reef and pinnacle site located 12 kilometres from shore in the Near Islands, Thailand. The site features a depth range of 6 to 20 metres, with an average depth of 12 metres. Divers typically spend 60 minutes exploring the topography. Conditions vary, with visibility ranging from 5 to 20 metres and currents generally described as mild. Access to this site is by boat only. Due to the nature of the environment, divers should be aware of potential hazards including low visibility, sharp coral, and strong currents. This site is best suited for intermediate divers.