SD, named for the elementary school located directly in front of the site, is a reef, drift, and wall dive situated off Nusa Lembongan. This site is suitable for intermediate divers and snorkellers, offering depths ranging from 3 to 40 metres with an average of 18 metres. Access is by boat only, as the area is subject to strong currents, down currents, and rip currents. Visibility typically spans 10 to 40 metres. Water temperatures generally range from 26 to 28C, though upwelling can cause temperatures to drop to 20 to 25C, particularly between July and October. Night diving is permitted at this location.

Sd Point is a reef site located off Nusa Lembongan, Indonesia, primarily accessed by boat. This drift dive features depths ranging from 5 to 30 metres, with an average depth of 15 metres. Divers should be prepared for strong currents and variable water temperatures. While typically between 26 and 29 degrees Celsius, cold upwellings from the deep ocean can cause temperatures to drop significantly, particularly between July and October. Due to the strong currents and potential for cold water, this site is suited for intermediate divers. Visibility can reach up to 40 metres, providing clear conditions for both diving and snorkelling activities.

Sd Low School is a reef and wall site located off Nusa Lembongan, Indonesia. The site features a depth range of 9 to 13 metres, averaging 11 metres. Divers access this location exclusively by boat. Conditions are variable, with strong currents, potential down currents, and boat traffic presenting hazards. Visibility ranges from 10 to 35 metres. Water temperatures typically sit between 26 and 29C, though significant drops to 16C can occur due to upwellings. Marine life recorded here includes wrasses, Varicose Wart Slugs, Peacock Mantis Shrimp, Emperor Angelfish, Sea Kraits, Laced Morays, Coral Groupers, Chromodoris nudibranchs, Yellow-edged Morays, Whitetip Reef Sharks, Day Octopuses, Map Pufferfish, and Pacific Trumpetfish.

Sental is a reef and wall site located off Nusa Lembongan, Indonesia, offering a drift diving experience. The site features depths ranging from 5 to 40 metres, with an average depth of 15 metres. Access is strictly by boat. Conditions include moderate currents, though divers should be aware of potential down currents, rip currents, and thermoclines that can cause cooler water temperatures. Visibility typically ranges between 15 and 30 metres. The site is suitable for beginners, though the presence of deep water and strong currents requires careful monitoring. Hazards include sharp coral, stonefish, lionfish, and sharks, alongside risks associated with deep diving and decompression.

Turtle Point is a flat reef located 1000 metres off the coast of Nusa Lembongan. This site is well-suited for beginners, offering a shallow average depth of 5 metres, though the reef extends to 30 metres. Access is by boat only, with conditions typically featuring mild currents and visibility ranging from 5 to 20 metres. Marine life recorded here includes wrasses, Moorish idols, and various parrotfish species such as the Pacific bullethead and swarthy parrotfish. Divers and snorkellers may also encounter Clark's anemonefish, spotfin lionfish, and the varicose wart slug. Be aware of sharp coral when navigating the reef. Water temperatures generally range from 27°C to 29°C, though upwellings can cause significant drops between July and October.

S.D. Point is a reef and drop-off site located off Nusa Lembongan, Indonesia. This site is suitable for intermediate divers and snorkellers due to the presence of strong currents, down currents, and rip currents. Access is by boat only. The site features a depth range of 5 to 30 metres, with an average depth of 18 metres. Visibility typically ranges from 10 to 30 metres. Divers should be prepared for potential thermoclines and cold water temperatures, which fluctuate between 25 and 29 degrees Celsius throughout the year.

Pura Mas Gading is a drift dive site located off the north coast of Nusa Lembongan. The topography consists of a steep sloping reef that descends from 5 metres to depths of 40 metres, with an average depth of 15 metres. This site is accessed by boat and is suitable for intermediate divers due to the moderate currents. Divers can expect visibility ranging between 15 and 25 metres. Water temperatures remain consistent, typically between 26 and 28 degrees Celsius. The site features both natural reef structures and an artificial reef. Divers should be aware of the potential for strong currents and the presence of sharks in the area.

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.