Manta Ridge, located off Mansuar Island, is a drift dive site featuring a reef structure and artificial reef elements. The site is suited for advanced divers due to strong currents and potential down currents. Depths range from 6 to 40 metres, with an average of 17 metres. Boat access is required to reach the site, where visibility fluctuates between 5 and 30 metres. Water temperatures remain consistently warm, between 28 and 30 degrees Celsius. Species recorded around this area include Napoleon Wrasse, various angelfish, groupers, and nudibranchs. Divers should be prepared to use reef hooks to manage the strong currents present at this location.

West Mensuar is a boat-access drift dive located off Mansuar Island, Indonesia. The site features a reef environment with depths ranging from 5 to 35 metres. Divers should expect strong currents that can shift without warning, making this location suitable only for advanced divers comfortable with buoyancy control and surge. Visibility typically spans 15 to 30 metres, with water temperatures remaining between 28 and 30 degrees Celsius. Due to the remote nature of the site, boat support is required, and divers should coordinate with guides to time entries around slack water. Hazards include strong currents, jellyfish, and the presence of sharks.

Arborek Jetty is a reef and artificial reef site located at Arborek Island. The site features jetty pillars encrusted with soft corals, which attract large schools of silversides. In the nearby sandy shallows, giant clams are frequently observed. Diving depths range from 5 to 18 metres, with an average of 10 metres. Conditions include moderate currents and visibility between 10 and 30 metres. Water temperatures remain consistent between 29 and 30C throughout the year. Access is via a shore entry, making it suitable for beginners. Divers should be aware of boat traffic, sharp coral, and potential strong currents. Night diving is available at this location.

Manta Sandy, located near Arborek Island, consists of a mix of natural and artificial reef structures. The site is suitable for beginner divers, with depths ranging from 5 to 24 metres and an average depth of 16 metres. Visibility typically spans 10 to 18 metres, and water temperatures are consistently warm between 28 and 30 degrees Celsius. Access is by boat only. Divers should be aware of moderate currents that can strengthen quickly, requiring positioning near the reef for shelter. Hazards include jellyfish and sharp coral, so caution is advised during descent and ascent. Planning entries and exits with the boat crew is recommended due to shifting currents.

Wall of Grace is a wall dive located on the south-west side of Mansuar Island. The site features a vertical drop-off reaching depths of 70 metres, requiring advanced buoyancy control. Divers access the site by boat, encountering strong currents, particularly around reef wall outcrops. Visibility typically ranges from 10 to 25 metres, with water temperatures remaining between 28C and 30C throughout the year. Due to the depth and current conditions, this site is suited for advanced divers. Hazards include boat traffic, deep water, sharp coral, and strong currents.

Batu Laut, located off Arborek Island, features a diverse underwater topography consisting of reef, wall, and pinnacle structures. The site ranges in depth from 3 to 25 metres, with deeper water accessible beyond this range. Divers should expect moderate currents that can strengthen without warning, requiring solid buoyancy control and careful monitoring. Boat access is required for this site, and divers must deploy a surface marker buoy upon ascent due to active boat traffic in the area. Night diving is permitted, offering an alternative experience of the site. Conditions can vary, so confirming local conditions with an operator before descending is recommended.

Lalosi, located off Arborek Island, features a diverse underwater topography consisting of a seagrass bed, reef structure, and a distinct drop-off. This site is suited for intermediate divers, with depths ranging from 8 to 30 metres. Divers can expect mild currents and visibility between 15 and 30 metres. The water temperature remains warm, typically between 28 and 30 degrees Celsius. Entry is made directly from the shore. A recommended profile involves exploring the drop-off during the middle of the dive, followed by a relaxed safety stop within the shallower seagrass area. Check locally for the most current access and facility information before planning your dive.

Sauwandarek Jetty on Mansuar Island offers a sloping reef that extends along the bay, featuring a variety of coral formations. Suitable for all skill levels, the site is accessible by both shore and boat. Divers and snorkellers can explore depths ranging from 17 to 30 metres, with an average depth of 12 metres. Marine life recorded at the site includes Napoleon Wrasse, Harlequin Sweetlips, and various nudibranch species such as Chromodoris and Nembrotha. Other sightings include Giant Moray, Titan Triggerfish, and Broadclub Cuttlefish. Conditions are generally mild with visibility ranging between 10 and 30 metres and water temperatures consistently between 28 and 30 degrees Celsius.