Danau Kakaban is a unique landlocked brackish lake located on Kakaban Island, Indonesia. The site is defined by its prehistoric environment, featuring dense mangrove surroundings and a population of stingless jellyfish. Divers and snorkellers can explore depths ranging from 11 to 18 metres, with an average depth of 14 metres. Conditions are generally mild, though currents can vary. Access is via boat followed by a shore entry. The water temperature remains consistent between 29 and 30 degrees Celsius throughout the year. Species recorded around this area include Emperor Angelfish, Clown Triggerfish, and various nudibranchs, though these are not confirmed within the lake itself.

Kehe Daing on Kakaban Island offers a unique combination of cave and reef diving. The site features a lagoon accessible via a limestone tunnel, with depths ranging from 2 to 20 metres and an average of 10 metres. Divers encounter mild currents and visibility typically between 10 and 25 metres. The environment includes sharp coral and overhead sections, requiring intermediate skill levels. Species recorded around this area include Emperor Angelfish, Harlequin Sweetlips, Spotfin Lionfish, and various nudibranchs. Access is via boat, and the site is also suitable for snorkelling. Water temperatures remain consistent, generally between 27C and 30C throughout the year.

Blue Light Cave at Kakaban Island is a technical site combining cave penetration, a wall drop-off, and drift diving. The site is accessed by boat, located 1000 metres from shore. Divers experience depths between 30 and 65 metres, with an average of 40 metres. Visibility typically ranges from 10 to 30 metres, and water temperatures remain between 27 and 29C. Due to the overhead environment and potential for accelerating currents within the cave, this site is reserved for advanced divers. Always monitor depth and no-decompression limits closely. It is recommended to consult local operators regarding current conditions and to plan entries during slack water to ensure safety.

Jellyfish Lake on Kakaban Island offers a unique snorkelling experience within a landlocked marine lake. The site features depths ranging from 11 to 18 metres, with an average of 15 metres. Water temperatures remain consistently warm between 29 and 31 degrees Celsius. Access is exclusively by boat, and guided tours are required to navigate the site safely. Visibility varies between 6 and 12 metres, and conditions can shift, necessitating careful movement to avoid contact with the jellyfish present throughout the water column. The site is suitable for beginners, provided they follow the specific safety briefings regarding jellyfish density and changing visibility provided by their guides.

Barracuda Point on Kakaban Island is a reef and wall site characterised by strong currents. The site ranges in depth from 5 to 30 metres and is suitable for advanced divers due to the challenging water movement. Visibility typically fluctuates between 10 and 30 metres, with water temperatures remaining consistently warm between 28C and 30C throughout the year. Access to the site is by boat only. Divers and snorkellers should be aware of potential hazards including strong currents, deep water, and boat traffic. The site offers a dynamic environment for experienced visitors to explore the reef topography.

Kakabanana is a reef and wall site located 1000 metres off the shore of Kakaban Island. The site features a gentle slope compared to the surrounding walls, making it suitable for beginners. Divers and snorkellers can explore depths ranging from 5 to 18 metres, with an average depth of 12 metres. Conditions are generally mild, though currents can be present. Visibility varies between 10 and 40 metres. Access is by boat only, and the site is well-suited for observing smaller reef life in the shallows. Species recorded around this area include Emperor Angelfish, Spotfin Lionfish, Clown Triggerfish, and various nudibranchs and flatworms.

Meditation Wall is a reef wall located on the western side of Kakaban Island. This site is suited for intermediate divers and snorkellers, offering a drift experience along a wall face adorned with massive gorgonian fans. The shallow reef top features healthy hard corals. Access to the site is by boat only, and visitors should be prepared for strong currents. Visibility typically ranges between 20 and 25 metres, with water temperatures remaining consistent between 29 and 30C throughout the year. Species recorded around this area include Emperor Angelfish, Chromodoris nudibranchs, Spotfin Lionfish, Clown Triggerfish, Candy Crabs, Harlequin Sweetlips, Unicornfish, Elongate Clams, Redtooth Triggerfish, Sixbanded Angelfish, Slipper Lobsters, Forcepsfish, Ocellaris Anemonefish, and Blackspotted Pufferfish.

Kelapa Dua is located at the southeast tip of Kakaban Island, Indonesia, featuring a combination of sloping reefs and steep walls. This site is suited for advanced divers due to strong currents and potential down currents. Dives typically last 45 minutes at depths ranging from 18 to 28 metres, with an average depth of 23 metres. Visibility generally fluctuates between 15 and 25 metres. Access is by boat only, as the site is situated 45 kilometres from the shore. Night diving is available at this location, and the site is also suitable for snorkelling.