Kapalai House Reef is a diverse site located at Kapalai Island, Malaysia, offering a mix of natural reef, artificial structures, and wrecks. Situated directly under the resort jetty, the site is accessible by both shore and boat. Divers and snorkellers can explore depths ranging from 8 to 20 metres, with an average depth of 15 metres. Conditions are generally mild with visibility between 10 and 30 metres and water temperatures consistently between 29 and 30C. The site is suitable for beginners and supports night diving. Hazards to be aware of include blue ringed octopus, lionfish, sea urchin, sharp coral, and stonefish.

Kapalai Island is a sandbar site featuring a reef and artificial reef structures located in the Semporna region of Malaysia. The site is suitable for beginners, with depths ranging from 5 to 25 metres and an average depth of 15 metres. Divers and snorkellers access the site by boat. Conditions are generally mild, with visibility fluctuating between 5 and 30 metres and water temperatures consistently between 29 and 30 degrees Celsius. The site supports night diving and offers facilities including a dive shop, air fills, and equipment rental. Be aware of sharp coral when navigating the area. Typical dives last approximately 50 minutes.

Cleaning Station is a shallow reef located northeast of the resort at Kapalai Island. The site features depths ranging from 8 to 20 metres, with an average of 14 metres, making it suitable for beginners. Divers and snorkellers can observe Green and Hawksbill turtles congregating to have their shells cleaned. Other marine life recorded here includes Trance Wrinkle Dorid, Chromodoris nudibranch, flatworms, blue dragons, and various moray eels. Indian lionfish, harlequin sweetlips, day octopus, and sea kraits are also present. Access is by boat, and conditions typically feature mild currents with visibility between 10 and 25 metres. Be aware of sharp coral throughout the reef area.

Mandarin Valley is a shallow sloping site located on the northern edge of the reef at Kapalai Island. The topography consists of a mix of sandy patches and coral rubble, providing a habitat suitable for macro photography. Divers and snorkellers can explore depths ranging from 5 to 20 metres. The site experiences mild currents and visibility typically between 10 and 30 metres. Water temperatures remain consistent between 29 and 30C throughout the year. Access is available via both shore and boat entries. This site is suitable for beginners and supports night diving. Hazards include sea urchins, sharp coral, and stonefish.

Stingray City is a reef site located approximately 1000 metres from the shore of Kapalai Island. The site is accessed by boat and is suitable for beginner divers. The topography is consistent, with an average depth of 11 metres. Conditions at the site are variable, with mild currents and visibility typically ranging between 9 and 10 metres. Water temperatures remain stable throughout the year, generally between 29 and 30 degrees Celsius. Divers should be aware of potential hazards including lionfish, sharks, and periods of low visibility.

Mid Reef, located south of Mandarin Valley off Kapalai Island, is a reef site characterised by large coral bommies. These structures rise from a 15-metre sandy bottom to within 3 metres of the surface. The site is accessible by boat and is suited for advanced divers due to the presence of strong currents. Visibility typically ranges between 10 and 35 metres, with water temperatures consistently between 28 and 30 degrees Celsius. Night diving is available at this location. Divers should be aware of stonefish and the potential for strong currents during their visit. The site is also suitable for snorkelling, with a rating of 4 out of 5.

Siu Siu Point is a reef site located on the western tip of the Ligitan Reef near Mabul Island. This drift dive site features natural coral growth, including table corals and anemone fields. Divers and snorkellers can expect depths ranging from 2 to 18 metres, with an average depth of 10 metres. Conditions include mild currents and visibility between 10 and 15 metres. Water temperatures remain consistent between 29 and 30C throughout the year. Access is by boat only. Hazards include sharp coral and stonefish. Species recorded around this area include Napoleon Wrasse, Warty Anglerfish, Emperor Angelfish, Peacock Mantis Shrimp, Ornate Ghostpipefish, Giant Frogfish, Flamboyant Cuttlefish, Chromodoris Nudibranch, Coral Grouper, Bluefaced Angelfish, Regal Angelfish, Day Octopus, Giant Moray, and Yellow-edged Moray.

Gurnard Point is a reef and artificial reef site located near the southern Police Jetty at Kapalai Island. This shallow area ranges from 5 to 20 metres in depth and is suitable for beginners. Divers can expect mild currents and visibility typically between 15 and 30 metres. The site features a sandy bottom, which is accessible via both shore and boat entries. Water temperatures remain consistent throughout the year, ranging from 29 to 30 degrees Celsius. The site is also suitable for snorkelling, with a rating of 3 out of 5.