Koh Pung is a reef and pinnacle site located off Koh Adang, Thailand. The topography features depths ranging from 5 to 35 metres, with an average depth of 18 metres. Access to this site is by boat only. Divers should be prepared for strong currents and variable visibility, which can fluctuate between 5 and 30 metres. Due to the current and environmental conditions, this site is suited for intermediate divers. Hazards include sharp coral and surf. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius. Night diving is permitted at this location.

Sail Rock is an offshore pinnacle near Koh Adang that rises from 40 metres to within 5 metres of the surface. This site is accessible only by boat and is suited for intermediate divers due to moderate, shifting currents and depths that reach 40 metres. Visibility typically ranges between 10 and 25 metres. Water temperatures remain between 27 and 30C, though occasional thermoclines may cause sudden drops. Species recorded around this area include wrasses, anemonefish, pufferfish, parrotfish, butterflyfish, surgeonfish, and various anemones. Divers should remain close to their guide and monitor their depth closely to manage risks associated with nitrogen narcosis and decompression.

Koh Sarang is a dynamic site near Koh Adang featuring a combination of reef, wall, and pinnacle topography. Divers experience depths ranging from 10 to 30 metres, with an average depth of 20 metres. The site is defined by strong currents, making drift diving the standard approach. Visibility is highly variable, fluctuating between 5 and 30 metres. Due to the challenging current conditions and sharp coral structures, this site is suited for intermediate divers. Access is exclusively by boat, and divers should be prepared to deploy a surface marker buoy. Water temperatures remain consistently warm, ranging from 27C to 30C throughout the year.

Koh Yang West is a reef site located 1000 metres from the shore of Koh Adang, Thailand. The site offers a depth range of 5 to 30 metres, with an average depth of 15 metres. Access is strictly by boat. Divers should be prepared for moderate currents and potential surge, as well as sharp coral structures. The site is suitable for intermediate divers and supports night diving. Visibility varies significantly, ranging from 5 to 30 metres. Water temperatures remain consistent throughout the year, typically between 29C and 31C. Guided tours are available through local dive shops.

Koh Bang Nuea features a diverse underwater topography comprising a shallow reef, a drop-off, and a pinnacle. Located 20 kilometres from shore, this site is accessible by boat and offers depths ranging from 5 to 30 metres with an average of 15 metres. Conditions include mild currents and visibility between 10 and 30 metres. Divers should exercise caution regarding sharp coral and boat traffic, particularly when surfacing near the pinnacle. Species recorded around this area include wrasses, anemonefish, butterflyfish, and parrotfish. This site is suited for intermediate divers who should maintain good buoyancy control to navigate the varied structures safely.

Koh Yang, located off Koh Adang, offers a diverse underwater landscape featuring a reef, wall, and pinnacle. Divers can explore depths ranging from 5 to 30 metres, with an average depth of 18 metres. Visibility typically spans 10 to 30 metres. Access is by boat only, and the site is suited for intermediate divers due to moderate currents and potential surge near the structures. Divers should plan their entry around tidal timing to manage current strength. Species recorded around this area include wrasses, butterflyfish, parrotfish, anemonefish, surgeonfish, sea kraits, titan triggerfish, giant morays, and painted spiny lobsters.

Koh Yang East is a reef site located 1000 metres from the shore of Koh Adang. Divers typically experience depths ranging from 5 to 24 metres, with an average depth of 18 metres. The site is accessed by boat and is suitable for beginners, though conditions can include mild currents and surge. Visibility varies significantly, ranging from 5 to 30 metres. Water temperatures remain consistent between 29C and 31C throughout the year. Hazards at this location include jellyfish, lionfish, sharp coral, stonefish, and strong currents. Species recorded around this area include wrasses, butterflyfish, anemonefish, parrotfish, sea kraits, titan triggerfish, and giant morays.

Zero Rock is a submerged pinnacle located off Koh Adang, offering a straightforward structure for divers. The site ranges from 5 to 25 metres in depth, with an average of 12 metres, making it suitable for beginners. Divers can explore the pinnacle, which features soft corals, sea fans, and sponges. Conditions vary, with visibility between 5 and 25 metres and moderate currents that can strengthen unexpectedly. Boat access is required to reach this site, which sits 25 kilometres from shore. Due to regular boat traffic in the area, divers must deploy a surface marker buoy before ascending. Be aware of stonefish resting on the bottom and avoid touching rocky surfaces.