Soneva Reef in Koh Rang National Park consists of two adjacent coral reefs located 500 metres from shore. This site is suitable for beginners, with depths ranging from 5 to 15 metres and mild currents. Access is by boat only, with typical dives lasting 45 minutes. Visibility at the site varies between 5 and 15 metres. Species recorded around this area include wrasses, rabbitfish, sergeants, pink skunk anemonefish, coral trout, groupers, blue-barred parrotfish, rock cod, eightband butterflyfish, copperband butterflyfish, porcupinefish, white eyed moray, blue ringed angelfish, and lionfish. Divers should be aware of potential hazards including jellyfish, sharp coral, and stonefish.

Koh Mai Si Lek is a reef site located within Koh Rang National Park, accessible only by boat. The site features depths ranging from 12 to 20 metres, with an average depth of 12 metres, making it suitable for beginner divers. Visibility typically spans 10 to 20 metres, and currents are generally mild, allowing for relaxed navigation. The site is open for both day and night diving, with a typical dive duration of 45 minutes. Water temperatures remain consistent throughout the year, ranging between 28C and 31C. It is recommended to arrange night dives in advance and confirm equipment inclusions with local operators.

Koh Reath is a reef and artificial reef site located within Koh Rang National Park. The site features a series of underwater statues at a depth of 4 metres, including figures of an elephant, a duck, and a tiger. Divers and snorkellers can explore depths ranging from 8 to 14 metres, with an average depth of 11 metres. Access is by boat, as the site is situated 9 kilometres from the shore. Conditions are generally mild with visibility between 10 and 30 metres and water temperatures ranging from 29 to 31C. Stonefish are present at this location, so caution is advised.

Banana Bay is a beginner-friendly reef dive located in Koh Rang National Park. Reached exclusively by boat, the site features depths ranging from 5 to 15 metres with mild currents and visibility between 5 and 15 metres. The reef structure consists of both hard and soft corals. Divers should exercise caution regarding sharp coral and rocks, maintaining neutral buoyancy to avoid contact with the reef. The site is suitable for night diving, which requires booking through a local dive shop. Divers should follow all boat crew instructions during entry and exit to ensure safety near the hull and the shallow reef structure.

Ao Kluai is a reef site located within Koh Rang National Park, offering a shallow environment suitable for both diving and snorkelling. The site features a coral reef interspersed with large boulders, reaching depths between 4 and 10 metres with an average of 7 metres. Situated 100 metres from the shore, the site is accessible by boat or from the beach. Conditions are generally mild with visibility ranging from 5 to 15 metres and water temperatures between 29 and 31C. Divers and snorkellers should be aware of sharp coral present throughout the area. A typical dive at this location lasts approximately 45 minutes.

Hin Luk Bat is a reef dive site in Koh Rang National Park offering a depth range between 5 and 30 metres, with an average depth of 15 metres. Access is by boat, and the site is suited to intermediate divers due to currents that can strengthen without warning. Visibility fluctuates between 5 and 20 metres. Divers should be aware of boat traffic, sea urchins, and stonefish when navigating the reef. The site is also available for night diving. Facilities including air fills, equipment rental, and guided tours are available for visitors.

Hin Yetti is a reef site located 1500 metres offshore within Koh Rang National Park. The site features rocky topography combined with coral reefs, suitable for beginner divers. Depths range from 5 to 14 metres, with an average depth of 10 metres. Divers typically experience mild currents and visibility ranging between 5 and 20 metres. Access to this site is by boat only, with a typical dive duration of 50 minutes. Water temperatures remain consistent throughout the year, between 29 and 31 degrees Celsius. Hazards at this site include sharp coral and lionfish.

Gulf of Thailand North Pinnacle in Koh Rang National Park features a combination of natural reef, pinnacle, and artificial reef structures. Divers can explore depths ranging from 5 to 30 metres, with an average depth of 11 metres. Visibility varies between 5 and 20 metres. While currents are typically mild, strong surges can develop, requiring good buoyancy control. The site is accessible by boat, located 5000 metres from shore. Night diving is available at this location. Water temperatures remain warm throughout the year, ranging from 28 to 31 degrees Celsius.