Blongas Bay in Nusa Penida, Indonesia, is a complex marine site featuring a mix of reefs, pinnacles, walls, and caves, alongside artificial reef structures. Access is strictly by boat due to the challenging environment. The site is suited for intermediate divers, with depths ranging from 10 to 60 metres and an average depth of 25 metres. Divers should be prepared for strong currents, surge, and surf, as well as potential thermoclines that can cause water temperatures to drop below the typical 25 to 27 degrees Celsius range. Visibility is variable, ranging from 10 to 30 metres. Always check local conditions before entering the water, as currents can change significantly.

Gili Sarang is a challenging dive site located off Nusa Penida, Indonesia, featuring a combination of reef, wall, and pinnacle topography. This site is strictly for advanced divers due to the strong currents and surge conditions often encountered. Access is by boat only. Divers can expect depths ranging from 30 to 35 metres, with an average depth of 32 metres. Visibility at the site typically fluctuates between 10 and 20 metres. Water temperatures remain consistent throughout the year, ranging from 26 to 28 degrees Celsius. Given the significant current and depth, this site requires careful planning and experience.

Magnet is a challenging drift dive located 1500 metres off the coast of Nusa Penida, Indonesia. Designed for advanced divers, the site features a deep topography ranging from 25 to 80 metres, with an average depth of 40 metres. Strong, unpredictable currents are the defining characteristic of this location, requiring excellent buoyancy control and careful gas management. Visibility typically fluctuates between 10 and 30 metres. Access is strictly by boat, and divers must remain vigilant regarding boat traffic during surface intervals. Due to the significant depths and intense current conditions, this site demands a high level of experience and strict adherence to safety protocols.

Starfish Garden in Nusa Penida is a shallow reef and seagrass site, primarily recognised as a calm location for snorkelling and diving. The area features a unique garden of large starfish situated within the seagrass beds. With depths ranging from 2 metres to 8 metres and an average of 4 metres, it is well-suited for beginners and non-swimmers. Access is via the shore, and the site experiences mild currents. Visibility varies between 5 metres and 20 metres. The water temperature remains consistently warm throughout the year, typically between 28C and 29C. Facilities at the site include a cafe, and a typical visit lasts approximately 30 minutes.

Blue Coral in Nusa Penida is a reef and wall site accessible via shore entry. Divers can expect depths ranging from 5 to 30 metres, with an average depth of 15 metres. The site features mild currents and visibility typically between 10 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 27 to 29 degrees Celsius. This site is suitable for beginners, with typical dive times lasting 50 minutes. Facilities available at the location include air fills, equipment rental, guided tours, parking, toilets, showers, changing rooms, a rinse station, a cafe, and boat charter services. Hazards include deep water, sharks, and sharp coral.

Gili Nanggu is a shallow reef site located off Nusa Penida, Indonesia, offering a straightforward shore entry. The site is well-suited for beginners, featuring depths between 3 and 5 metres and mild currents. Divers can expect visibility ranging from 10 to 30 metres. Water temperatures remain consistent throughout the year, typically between 28 and 29 degrees Celsius. Because this is a shore dive, arriving early in the morning is recommended to take advantage of calmer surface conditions and fewer people in the water. Always check locally for current facility availability before planning your dive.

Gili Nanggu Wall is a reef and wall dive site located in Nusa Penida, Indonesia. The site features a wall structure covered in hard and soft corals and sea fans. Divers can expect depths ranging from 3 to 20 metres with mild currents and visibility between 10 and 20 metres. Water temperatures remain consistent between 27 and 29C throughout the year. Access to the site is by boat, and it is suitable for beginner divers. The site supports night diving, with typical dives lasting 45 minutes. Facilities available at the location include a cafe and gear storage. Hazards to be aware of include jellyfish, lionfish, and sharks.

Gili Poh in Nusa Penida is a reef and artificial reef site featuring a sandy slope dotted with healthy corals. Divers can explore depths ranging from 5 to 20 metres. The site is accessible via both shore and boat entries and is suitable for beginners. Conditions are generally mild with currents, and visibility typically ranges between 10 and 25 metres. Water temperatures remain consistent throughout the year, between 27 and 29 degrees Celsius. Divers should be aware of potential hazards including jellyfish, sea urchins, sharp coral, and stonefish.