Hin Pleng West is a pinnacle and reef site located in the Gulf of Thailand North. This site features depths ranging from 3 to 30 metres, with an average depth of 15 metres. Access is by boat only, as the site is situated 50 kilometres from the shore. Divers should be prepared for moderate currents and visibility that fluctuates between 5 and 25 metres. The site is suitable for intermediate divers, with typical dive times around 50 minutes. Hazards include boat traffic, strong currents, and potential decompression risks. Divers should also be aware of sharp coral, sea urchins, and stonefish in the area.

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.

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.