The Old Jetty Wreck at Koh Rong Samloem is an artificial reef system comprising a submerged structure and surrounding reef. Divers can explore the wreck at depths ranging from 7 to 30 metres, with an average depth of 7 metres. The site is accessible only by boat and features mild currents, making it suitable for intermediate divers. Visibility typically ranges between 10 and 20 metres, while water temperatures remain warm between 29 and 31 degrees Celsius. Divers should maintain buoyancy to avoid contact with sharp coral and rock formations and remain aware of surroundings due to occasional shark sightings.

Mpai Bay offers a combination of reef and muck diving directly off the village on Koh Rong Samloem. The site is well-suited for beginners, with an average depth of 7 metres and a maximum depth of 10 metres. Divers can access the site from the shore or by boat. Conditions are generally mild, with visibility ranging from 5 to 10 metres and water temperatures between 29C and 31C. Night diving is available at this location. Due to the proximity of the village jetty, boat traffic is a significant hazard; divers must use a delayed surface marker buoy at all times. Sharp coral is also present in the area.

Back Door is a large reef system extending from Mpai Bay along the north-western coast of Koh Rong Samloem. The topography features large boulders in the shallows and cliff-like overhangs. This site is suitable for intermediate divers, with depths ranging from 5 to 40 metres and an average depth of 12 metres. Access is by boat only. Divers should be prepared for mild currents and variable visibility between 5 and 30 metres. Hazards include boat traffic, deep sections, sea urchins, sharp coral, and venomous species such as lionfish and stonefish. Night diving is available at this location.

Koh Kon is a reef site located off Koh Rong Samloem, Cambodia, suitable for beginner divers and snorkellers. The site features a depth range of 12 to 14 metres, with an average depth of 10 metres. Access is by boat only. Conditions are generally manageable with mild currents and visibility ranging from 10 to 25 metres. Water temperatures remain warm, between 29 and 31 degrees Celsius throughout the year. The site is also available for night diving. Divers should remain alert for surge and swell, which can pick up unexpectedly and affect comfort on the reef. Ensure all equipment is prepared before departure as there are no on-site facilities.

Ship Wreck at Koh Rong Samloem is a deliberately sunk vessel serving as an artificial reef. The structure lies at depths between 8 and 18 metres, making it suitable for intermediate divers. Access is by boat only, with typical dives lasting 45 minutes. Visibility is highly variable, ranging from 5 to 25 metres, and water temperatures remain consistent between 29 and 31 degrees Celsius. While currents are generally mild, they can strengthen unpredictably. Divers should be aware of entanglement risks within the wreck's interior and carry a torch to navigate darker sections. Night diving is available at this site.

Corner Bar is a reef dive site located 1500 metres off the coast of Koh Rong Samloem. Accessible by boat, the site features depths ranging from 7 to 16 metres with an average of 12 metres. Divers can expect mild currents, though strong currents are a potential hazard. Visibility at the site fluctuates between 5 and 25 metres, and water temperatures remain warm throughout the year, typically between 29 and 31 degrees Celsius. The site is suited for intermediate divers, with typical dive times lasting around 50 minutes. Air fills and equipment rental facilities are available for those planning a visit.

Cobia Cave at Koh Rong Samloem offers a combined reef and wreck experience across a depth range of 2 to 14 metres. The site is accessible by boat and features mild currents, making it suitable for beginners. Visibility varies between 5 and 25 metres, with water temperatures ranging from 29 to 31C. Divers and snorkellers should be aware of sharp coral and rock edges. The site includes overhead environments within the cave and wreck sections, requiring caution. Night diving is available at this location. Always remain close to your guide during swim-throughs and monitor for boat traffic during ascent.

Middle Tree is a coral reef site situated within the Koh Rong Archipelago Marine Protected Area. As a designated conservation zone, the area is primarily managed for research purposes. The reef features depths ranging from 5 to 14 metres, with an average depth of 10 metres. Access to the site is by boat, as it is located 5 kilometres from the shore. Divers can expect mild currents and visibility fluctuating between 5 and 25 metres. Water temperatures remain warm throughout the year, typically between 29 and 31 degrees Celsius. Hazards at this location include boat traffic and sharp coral structures.