South East Rock is a pinnacle reef located near Richelieu Rock in the Andaman North region of Thailand. This site is accessible only by boat and is suited for intermediate divers due to moderate currents. The topography features depths ranging from 8 to 29 metres, with an average depth of 11 metres. Visibility typically fluctuates between 10 and 30 metres. Water temperatures are warm, ranging from 28 to 31 degrees Celsius throughout the year. Divers should be aware of hazards including sharp coral and strong currents. The site supports night diving, with typical dive durations lasting approximately 50 minutes.

Aow Suthep is a reef site located at Richelieu Rock, Thailand, offering a varied topography suitable for beginners. Divers and snorkellers can explore depths ranging from 3 to 30 metres, with an average depth of 15 metres. The site is accessible only by boat and features mild currents, making it a manageable location for those newer to the water. Visibility typically spans 10 to 25 metres, providing clear views of the reef structure and hard corals. To fully appreciate the site, maintain a slow pace to observe the reef inhabitants closely. Water temperatures remain consistent throughout the year, ranging between 28 and 31 degrees Celsius.

Ao Park Gard is a reef site located at Richelieu Rock in the Andaman North region of Thailand. Accessible only by boat, the site features depths ranging from 5 to 20 metres with an average depth of 20 metres. Divers and snorkellers can expect mild currents and visibility between 5 and 10 metres. The water temperature remains warm, typically between 28 and 31 degrees Celsius. The site is suitable for beginners and supports night diving, with typical dive durations of 60 minutes. Hazards include sharp coral. Species recorded around this area include various angelfish, wrasses, parrotfish, and moray eels.

Torinla Reef is a pinnacle and wall site located at Richelieu Rock. This offshore location features a diverse topography including reef structures and walls, with depths ranging from 5 to 40 metres and an average depth of 18 metres. Access is strictly by boat due to its distance from the shore. Divers and snorkellers can expect mild currents and visibility between 15 and 30 metres. Water temperatures typically range from 28 to 31C, though sudden thermoclines can cause drops of 5 to 7C. The site is suitable for intermediate divers and supports night diving. Hazards include deep water, strong currents, surf, and sharp coral.

Ko Torinla West at Richelieu Rock features a shallow reef top and a wall descending to 40 metres. Divers can explore the coral garden at 5 metres or engage in a drift dive along the wall. The site is suitable for intermediate divers, with mild currents that can strengthen quickly. Visibility ranges from 10 to 30 metres, and water temperatures remain warm between 28 and 31C. Hazards include sharp coral, lionfish, and deep sections. Night diving is available at this location. Species recorded around this area include various angelfish, moray eels, triggerfish, trevally, sweetlips, wrasses, parrotfish, butterflyfish, and surgeonfish.

Tao Bay is a shore-entry dive site located at Richelieu Rock in the Andaman North region of Thailand. The site features shallow, calm water, making it a practical location for those new to diving. Water temperatures remain warm throughout the year, typically ranging between 28 and 31 degrees Celsius. Divers should be aware that currents at this site are variable and can shift throughout the day. It is recommended to check local conditions before entering the water. As a shore-entry site, it allows divers to manage their own pace, though visitors should verify available facilities on-site prior to arrival.

Turtle Ledge is a reef site located at Richelieu Rock in the Andaman North region of Thailand. Accessible only by boat, the site features depths ranging from 5 to 30 metres, with an average depth of 18 metres. Divers and snorkellers can expect mild currents and visibility between 10 and 30 metres. Water temperatures remain consistent, typically between 28 and 31 degrees Celsius. The site is suitable for beginners and supports night diving. Hazards include boat traffic and the potential for strong currents. Typical dives last approximately 50 minutes.

Ao Sapparot is a reef site in the Andaman Sea featuring coral patches that reach depths between 2 and 21 metres, with an average depth of 8 metres. The site is accessible by boat and offers mild currents, making it suitable for beginners. Visibility typically ranges from 5 to 15 metres, and water temperatures remain warm throughout the year. Divers and snorkellers should exercise caution regarding sharp coral and submerged rocks, particularly in shallower sections. The site is also available for night diving, which can be rewarding for observing nocturnal activity. A torch is recommended for daytime dives to explore the shadows within the coral patches.