Mun Nai Jetty, located on the west side of Mun Nai Island, offers an accessible shore dive suitable for beginners. The site features a mix of reef, muck, and artificial reef environments with an average depth of 6 metres, ranging from 2 to 8 metres. Divers and snorkellers can observe common species including wrasses, rock cod, crabs, sergeants, and rabbitfish. Less frequently encountered life includes eightband butterflyfish, porcupinefish, coral trout, copperband butterflyfish, groupers, goatfish, Caribbean barrel sponges, long-spined sea urchins, and zoanthids. Conditions are generally mild with visibility between 2 and 15 metres. Night diving is available, and guided tours are provided for this 30-minute typical dive.

HTMS Prasae is a decommissioned naval vessel intentionally sunk to serve as an artificial reef. Located in the Samae San Islands, the wreck sits at depths between 3 and 15 metres, with an average depth of 10 metres. The site is suitable for beginners, featuring mild currents and shore access. Visibility varies significantly from 2 to 15 metres, often influenced by weather conditions. Divers can explore the structure, which supports a variety of reef fish and invertebrates typical of the Gulf of Thailand. Night diving is permitted, offering opportunities to observe nocturnal activity. Facilities including equipment rental, air fills, and showers are available on site.

Ao Phrao is a shallow reef site located in the Samae San Islands. With an average depth of 3 metres, it is well-suited for beginners and snorkellers. Divers typically access the site from the shore, where conditions are generally mild with visibility ranging between 15 and 30 metres. Water temperatures remain comfortable throughout the year, fluctuating between 28 and 31 degrees Celsius. Facilities available at the location include a cafe, toilets, showers, and changing rooms. Divers should be aware of potential hazards, including jellyfish and sharp coral, when exploring the reef.

The Pak-1 wreck is a deep-water site located off Koh Chang, Thailand. The hull rests at depths between 25 and 42 metres, requiring advanced diving skills and careful gas management. Divers encounter mild currents and visibility ranging from 5 to 20 metres, with thermoclines often affecting clarity. The structure presents an overhead environment with entanglement risks from loose fittings and lines. Due to the significant depth, nitrogen narcosis is a primary consideration. The site is accessible only by boat, and divers should be prepared for cooler water temperatures than shallower regional sites. The surrounding habitat supports various reef fish and invertebrates.