Eel Ridge is a reef and drift dive site located off Sangalaki Island. The topography consists of a reef system ranging from 10 to 25 metres in depth, with an average depth of 22 metres. Divers experience moderate currents, making this an intermediate-level site suited for those comfortable with drift diving. Visibility typically ranges between 15 and 30 metres, though it can drop unpredictably. Access is available via both boat and shore entry, with boat charters provided locally. Divers should maintain close contact with their buddy and agree on a drift plan with their guide before entering the water due to the potential for shifting currents.

Sherwood Forest is a drift dive site located off Sangalaki Island, Indonesia, characterised by its dense reef structure. Divers access the site by boat and typically descend to depths between 25 and 30 metres. The site features moderate currents that can strengthen at depth, requiring intermediate skill levels and the use of guided tours. Visibility varies from 10 to 30 metres, influenced by local conditions. Water temperatures remain consistent between 29 and 30C throughout the year. The habitat supports a variety of reef fish and invertebrates typical of the region. Divers should monitor current strength closely and maintain proximity to their guide during the descent.

Manta Parade is a reef dive site located at Sangalaki Island in the Derawan Islands. The site features an average depth of 10 metres, with a range between 5 and 15 metres. Access is by boat only, and the site is suited for intermediate divers. Conditions include moderate currents, though divers should be aware of the potential for strong currents and down currents. Visibility typically ranges from 20 to 25 metres. Water temperatures are consistent throughout the year, ranging between 29 and 30 degrees Celsius. A typical dive at this location lasts approximately 45 minutes.

Manta Run is a drift dive site located off Sangalaki Island in the Derawan Islands of Indonesia. The site features a reef environment with depths ranging from 9 to 30 metres. Divers should be prepared for strong currents, which necessitate boat access for all entries. With consistent visibility of 30 metres and water temperatures between 29 and 30 degrees Celsius, the site offers stable conditions for intermediate divers. As a drift-focused location, it is suited for those comfortable managing current-based navigation throughout the dive profile.

Channel Entrance at Sangalaki Island is a drift dive featuring a reef wall that drops to 30 metres. Divers experience strong currents that require careful planning and coordination with the boat crew for entry and exit. The site is suited for intermediate divers comfortable managing their position in moving water and monitoring depth to avoid nitrogen narcosis. Visibility typically ranges between 15 and 30 metres, and water temperatures remain consistent between 29 and 30C. Due to the significant current and depth, this site demands attention to dive profiles and clear communication with the surface team.

Coral Gardens is a reef site located off Sangalaki Island, Indonesia. The topography features depths ranging from 20 to 30 metres, making it suitable for beginners who monitor their depth closely. Access is exclusively by boat. Conditions are variable, with visibility fluctuating between 5 and 30 metres and water temperatures consistently between 29 and 30 degrees Celsius. Divers should be aware that currents can be moderate to strong and may shift during a dive. Night diving is available at this location. Facilities provided include showers and a rinse station for equipment.

Turtle Town is a reef and drift site located 600 metres off the coast of Sangalaki Island. Suitable for intermediate divers, the site features depths ranging from 18 to 35 metres with an average of 22 metres. Visibility varies between 10 and 30 metres, and water temperatures remain consistently warm between 29 and 30C. Access is by boat only. Divers should be prepared for mild currents that can intensify, necessitating a pre-planned drift strategy. Hazards include boat traffic at the surface and sharp coral edges. Divers are advised to use a safety sausage upon ascent and remain close to their guide throughout the 45-minute dive.

Sandy Ridge is a reef dive located off Sangalaki Island, Indonesia. The site features depths ranging from 10 to 25 metres, with an average depth of 18 metres, making it suitable for beginners. Divers experience mild currents and visibility typically between 15 and 30 metres. Access is by boat only, and divers should be aware of active boat traffic in the area. Always deploy a surface marker buoy before ascending to ensure visibility to passing vessels. Exercise caution to avoid contact with sharp coral and rocks to protect the reef structure.