Semaya is a reef site in Indonesia characterised by a mild drift, making it suitable for beginners. The topography consists of a reef structure covered in hard corals and sponges. Divers can explore depths ranging from 8 to 30 metres with visibility typically between 10 and 30 metres. Access is by boat only. Water temperatures generally range from 26 to 29C, though upwelling currents between June and October can cause temperatures to drop to 20 to 25C. Hazards include boat traffic, currents, and depth. Species recorded around this area include reef manta rays, peacock mantis shrimp, emperor angelfish, various nudibranchs, lionfish, triggerfish, moray eels, and octopus.

Karang Sari is a reef and wall dive site located on the east coast of Penida. The topography features large bommies, sandy patches, seafans, and a hard coral reef. Divers can expect depths ranging from 5 to 40 metres, with an average depth of 25 metres. Access is by boat only, and the site is suited for intermediate divers due to moderate currents and potential surf. Visibility typically ranges between 10 and 25 metres. Water temperatures remain between 26 and 28C, though divers should be aware of potential thermoclines in deeper sections of the wall.

Batu Nunggul is a steep sloping reef located 2400 metres offshore in Indonesia. This site is characterised by a fast drift along the corner, making it suitable for advanced divers. The topography features a reef covered in sponge, with depths ranging from 3 to 30 metres and an average depth of 18 metres. Divers must access the site by boat. Conditions vary, with visibility between 5 and 30 metres and water temperatures typically between 26 and 29 degrees Celsius, though thermoclines can cause temperatures to drop to 18 to 22 degrees Celsius between July and October. Strong currents and boat traffic are present, requiring careful planning for the typical 50-minute dive.

Batu Abah is a demanding site off Nusa Penida featuring a combination of wall, reef, and pinnacle topography. Divers navigate depths between 10 and 30 metres, though the site is defined by its strong currents which can shift with the tide. Visibility typically ranges from 10 to 30 metres, but sharp thermoclines at depth can cause sudden reductions. Due to the challenging conditions, including potential surf and surge, this site is strictly for expert divers. Access is by boat only, and divers must coordinate pick-up signals and dive profiles with their skipper prior to entry to manage the dynamic water movement.

Nusa Penida is a marine reef and artificial reef site located 500 metres from the shore in Indonesia. Divers typically experience an average depth of 12 metres during 50-minute dives. Access to this site is exclusively by boat. Conditions vary, with visibility ranging between 15 and 30 metres. The water temperature remains consistent throughout the year, fluctuating between 27 and 29 degrees Celsius. Divers should be aware of strong currents and surge, which are common hazards at this location. This site is suitable for those comfortable with current-prone environments.

Sampalan is a reef and wall site located in Indonesia, requiring boat access for all dives. The topography features a wall that descends to 30 metres, where divers encounter strong currents. Visibility typically ranges from 15 to 40 metres, with water temperatures between 26C and 29C, though upwellings can create colder thermoclines. Due to the strong currents, this site is suited for intermediate divers. Species recorded around this area include reef manta rays, various nudibranchs, lionfish, triggerfish, and moray eels. Divers should be aware of hazards including sharks, sharp coral, and the potential for strong currents during the typical 45-minute dive.

Buyuk is a reef and wall site located near Nusa Penida, Indonesia, offering a drift diving experience suitable for beginners. The site features a depth range of 5 to 40 metres, with an average depth of 15 metres. Access is strictly by boat, and divers should be prepared for moderate currents, which can occasionally become strong. Visibility at the site typically ranges between 10 and 30 metres. Water temperatures remain consistent throughout the year, fluctuating between 26C and 28C. A typical dive at this location lasts approximately 50 minutes. Facilities available at the site include parking and boat charter services.

Buyuk is a reef and drift dive site located in Padang Bai, Indonesia. The site features a shallow plateau that transitions into a gentle slope, where coral reliefs rise from white sand. Divers can expect depths ranging from 5 to 40 metres, with an average depth of 20 metres. Access is by boat only, and the site is suited for intermediate divers due to moderate currents. Visibility typically ranges between 10 and 30 metres, with water temperatures between 26 and 28C. Hazards include boat traffic, deep sections, and sharp coral. Typical dives last approximately 30 minutes.