Koh Bon Ridge is a diverse site featuring a reef, wall, and pinnacle topography. Divers can navigate from the North Ridge across the West Ridge and into the bay. The site offers depths ranging from 5 to 45 metres, with an average depth of 25 metres. Access is strictly by boat due to its distance from shore. Conditions are variable, with strong currents and potential down currents, making this site suitable for intermediate divers. Visibility typically ranges between 10 and 40 metres. Water temperatures remain consistent between 29 and 30C, though thermoclines and cold water gusts associated with plankton blooms occur. Night diving is available at this location.

Ko Bon Pinnacle is a challenging deep-water site located 200 metres off Koh Bon. This submerged pinnacle features a wall and drop-off topography, with depths ranging from 18 to 39 metres. Due to strong currents and potential down currents, this site is strictly for advanced divers. Visibility varies between 10 and 30 metres, and divers may encounter cold water gusts and plankton blooms. Marine life frequently recorded here includes giant moray, coral grouper, titan triggerfish, moorish idol, and various groupers. Rarer sightings include harlequin shrimp, emperor angelfish, day octopus, sea krait, spotfin lionfish, and regal angelfish. Boat access is required for all dives, which typically last 35 minutes.

Koh Tachai Pinnacle is a deep-water site featuring a submerged pinnacle, reef, and drop-off topography. Located 47 kilometres from shore, this site requires boat access and is suited for intermediate divers due to the presence of strong currents. Depths range from 12 to 40 metres, with an average depth of 20 metres. Visibility varies between 10 and 30 metres. Divers should be prepared for potential hazards including strong currents, surf, and low visibility. Water temperatures typically range from 27 to 30 degrees Celsius, though thermoclines can occasionally cause temperatures to drop to 25 degrees Celsius, particularly during November and early December.

Hin Luang is a submerged pinnacle and reef system located 200 metres from Koh Tachai. The site features a wall topography with depths ranging from 18 to 45 metres, averaging 30 metres. Due to the strong currents and significant depth, this site is suitable for intermediate divers. Boat access is required for all dives. Visibility typically ranges between 15 and 30 metres. Water temperatures remain between 28 and 31 degrees Celsius, though thermoclines can create cooler layers at greater depths. Divers should be prepared for deep conditions and strong currents throughout the dive.

Breakfast Bend at Koh Bon is a reef site featuring a slope that descends from 5 to 35 metres. The site is accessible by boat and offers visibility ranging from 15 to 40 metres with mild currents. Divers and snorkellers can encounter species including giant moray, coral grouper, striped surgeonfish, wrasses, triggerfish, pink skunk anemonefish, redlip parrotfish, powder-blue surgeonfish, wedgetail triggerfish, unicornfish, moorish idol, indo-pacific sergeant major, and sea chub. Hazards include boat traffic, sharp coral, sea urchins, and lionfish. Night dives are available at this location. Guided tours are recommended to assist with navigation and spotting larger marine life.

North Point at Koh Bon is a diverse marine site featuring a combination of reef, wall, and pinnacle topography. Accessible only by boat, this site is suited for intermediate divers due to strong currents and potential surf. Depths range from 8 to 40 metres, with an average of 18 metres. Visibility is generally high, between 20 and 40 metres. Water temperatures typically range from 27 to 30°C, though occasional cold water masses can cause drops to 23-25°C below 15 metres. Divers frequently encounter wrasses, while unicornfish, wedgetail triggerfish, redlip parrotfish, melon butterflyfish, striped surgeonfish, sixband parrotfish, triggerfish, moorish idol, vagabond butterflyfish, and grunt are also recorded here.

Snapper Alley is a reef site located at Koh Bon, Thailand, featuring depths between 5 and 20 metres with an average of 12 metres. The topography consists of hard coral formations and sandy patches. Divers experience mild currents and visibility ranging from 10 to 30 metres. This site is suitable for beginners and supports night diving. Boat access is required to reach the location, which is situated 50 kilometres from shore. Hazards include lionfish and sharks; maintain a respectful distance from the reef and avoid touching rocky crevices or the bottom to ensure safety.

Num Chai Bay at Koh Bon is a diverse dive site featuring a combination of natural reef, artificial reef, and pinnacle topography. Suitable for beginners, the site offers depths ranging from 5 to 40 metres with an average of 15 metres. Access is strictly by boat, and the site supports drift diving. Conditions generally feature mild currents and visibility between 10 and 40 metres. Water temperatures typically range from 28 to 30C, though upwellings can cause temperatures to drop as low as 21C in December. Hazards include deep water, jellyfish, low visibility, sharks, sharp coral, stonefish, and strong currents. Guided tours are available, and night diving is permitted.