Maya Bay in Phuket, Thailand, features a diverse underwater topography including reefs, walls, caverns, and caves. Accessible only by boat, the site offers depths ranging from 5 to 30 metres with an average of 15 metres. Divers encounter a variety of marine life, including common sightings of sea kraits, moorish idols, and wrasses. Uncommon species such as ornate ghostpipefish, zebra sharks, pharaoh cuttlefish, giant morays, and titan triggerfish are also recorded. Conditions include mild currents and visibility between 5 and 30 metres. Hazards to note include boat traffic, jellyfish, overhead environments, sharp coral, stonefish, and surf. The site is suitable for beginners and supports night diving.

Malong in Phuket, Thailand, offers a diverse underwater environment featuring a mix of reef, wall, and cave formations. Depths range from 5 to 25 metres, with an average of 18 metres, making it accessible for beginners. Visibility typically spans 10 to 25 metres. Divers may encounter species such as wrasses, Moorish idols, and blackspotted pufferfish, alongside less frequent sightings of zebra sharks, Indian lionfish, pharaoh cuttlefish, sea kraits, giant morays, and titan triggerfish. The site requires boat access and is subject to moderate currents. The cave section is an overhead environment and should only be entered with an experienced guide. Always use a surface marker buoy due to boat traffic.

Snake Cave in Phuket is a marine cave dive site requiring boat access. The site features an overhead environment with depths typically ranging between 10 and 15 metres, averaging 12 metres. Divers should be prepared for a halocline within the cave system. Conditions are generally mild, with current described as mild and visibility reaching approximately 15 metres. Due to the overhead environment and specific cave conditions, this site is suited for intermediate divers. Water temperatures remain consistent throughout the year, fluctuating between 29 and 31 degrees Celsius.

Malong Bay, also known as Turtle Rock, is a reef site in Phuket, Thailand, featuring a cave formation. The reef extends from the surface to depths of 15 metres, making it accessible for snorkellers. Conditions are generally mild with visibility ranging from 10 to 20 metres and water temperatures between 29 and 31C. Access is by boat only, and visitors should remain aware of boat traffic in the area. The cave is an overhead environment; snorkellers should view it from the entrance only and avoid entering. Arriving early in the morning is recommended to experience calmer water and reduced boat traffic.

Pileh Wall 2 is a wall and reef site in the Andaman Sea suitable for both divers and snorkellers. The wall descends to a maximum depth of 20 metres, with the most activity occurring between 8 and 15 metres. Conditions are generally manageable due to mild currents, though visibility varies between 5 and 20 metres. Access to this site is by boat only. Divers and snorkellers can observe gorgonian fans, soft corals, and various reef fish along the wall, while moray eels inhabit the crevices. Blacktip reef sharks and turtles are frequently encountered in the open water away from the reef structure.

Ao Nui is a reef site located in Phuket, Thailand, offering a varied underwater environment suitable for beginners. The site features depths ranging from 5 to 25 metres, with an average depth of 15 metres. Divers can access the reef via boat or shore entry. Conditions are generally mild with visibility typically between 10 and 25 metres. Marine life commonly encountered includes sea kraits and wrasses. Other species recorded at the site include blackspotted pufferfish, dotted anemone crabs, surgeonfish, anemonefish, butterflyfish, groupers, and blue dragons. Be aware of potential hazards including jellyfish, sea urchins, and sharp coral when navigating the reef.

Palong Bay is located on the east side of Phi Phi Ley, north of Maya Bay. This site features a combination of wall, reef, and cave topography. Divers and snorkellers can explore depths ranging from 5 to 24 metres, with an average depth of 18 metres. Access is strictly by boat, as the site is situated 7 kilometres from the shore. Conditions typically involve mild currents and visibility ranging between 5 and 20 metres. The site is suitable for advanced divers due to the varied underwater terrain. Water temperatures remain warm throughout the year, generally between 29 and 31 degrees Celsius.

Phi Ley 1 is a marine dive site located 7000 metres from the shore of Phuket, Thailand. The site features a combination of reef, wall, and drop-off topography, alongside an artificial reef structure. Divers can expect an average depth of 8 metres, with conditions generally characterised by mild currents and visibility ranging from 10 to 30 metres. Water temperatures are warm, typically between 29 and 31 degrees Celsius throughout the year. Access to this site is by boat only. The location is suitable for beginners and supports night diving, with typical dive durations of 50 minutes. Facilities available include equipment rental, air fills, and a rinse station.