Great Wall is a deep drop-off located off Mabul Island, Malaysia, characterised by a vertical wall that descends from 30 to 60 metres. This site is strictly for advanced divers due to the significant depth and moderate currents that can shift with little warning. Visibility typically ranges between 15 and 40 metres, offering views of the wall face and open water. Access is by boat only, and divers must manage buoyancy and air consumption carefully. Hazards include deep water, entanglement risks, and the presence of sharks, crocodiles, and jellyfish. Divers should confirm boat cover arrangements before entry to avoid drifting away from the pickup point in open water.

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.

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.

Crocodile Avenue is a reef and muck dive site located off Mabul Island, Malaysia. The site features depths ranging from 5 to 20 metres, with an average depth of 15 metres. Divers can access the site via boat or shore entry. Conditions are generally mild, though visibility is limited to 5 to 10 metres. The site is suitable for beginners and supports night diving, with typical dive times around 50 minutes. Hazards include sharp coral, stonefish, and low visibility. Local facilities include air fills, equipment rental, and boat charters.

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.

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.

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.

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.