Le Banc de Sable in Gadji & Northern Reefs offers a varied underwater experience combining reef, wall, and drift diving. Divers encounter depths between 21 and 50 metres with visibility consistently reaching 30 metres. The site features a wall and sandy flat, with Pacific trumpetfish, groupers, and wrasses inhabiting the reef structure. Divers may also spot disco clams and ocellated wart slugs within crevices, while sharks are regularly present. Due to moderate currents and significant depths, this site is suited for intermediate divers. Boat access is required, and night diving is available. Divers should monitor bottom time closely and time entries around slack water to manage current conditions.

Daa Djare is a reef site located off the coast of Gadji and Northern Reefs, New Caledonia. Reached exclusively by boat, the site features depths ranging from 22 to 26 metres, with an average depth of 25 metres. Divers should be prepared for moderate currents that can strengthen, requiring careful monitoring and close proximity to the reef structure. Visibility is variable, fluctuating between 10 and 30 metres. The site includes caves and swim-throughs, necessitating awareness of overhead environments. Night diving is available at this location. Air fills and equipment rental are provided locally for visiting divers.

Faille de Noupaa is a vertical wall and drop-off system located off the coast of Gadji and Northern Reefs. The site features cave structures and descends to depths between 18 and 45 metres. Visibility is consistently 30 metres, allowing divers to view the scale of the wall face throughout the descent. Currents are generally mild, though the depth profile requires advanced certification and careful gas management to mitigate the risk of nitrogen narcosis. Access is by boat only. Night diving is permitted, offering a different perspective of the cave sections. Divers should maintain strict buoyancy control and monitor their depth closely while exploring the wall.

Grottes de Gadji is a cave and reef site located off the coast of Île des Pins. Divers typically explore this site at depths between 20 and 23 metres. The topography features cave openings and surrounding reef structures, requiring solid buoyancy control due to the overhead environment. Conditions are generally manageable with mild currents and visibility reaching 30 metres. Water temperatures range from 23 to 27 degrees Celsius. Access is exclusively by boat, and divers should be prepared for potential hazards including surge, sharp coral, and sea urchins. Given the overhead environment and depth, this site is suited for intermediate divers who can manage light levels and navigation within cave sections.

Da Jaré is a marine dive site located within the Gadji and Northern Reefs of New Caledonia. The site features a consistent depth of approximately 12 metres. Water temperatures in this area vary throughout the year, ranging from 23C in the cooler months of July, August, and September to 27C during the peak summer months of January, February, and March. Given the stable depth profile, the site is accessible to divers of varying experience levels. Conditions at this location are subject to seasonal variation, and divers should plan their visits according to local maritime reports.

Kasmira Reef is a coral reef site located off the coast of Île des Pins, New Caledonia. The site features a consistent depth of 16 to 18 metres, making it suitable for intermediate divers. Navigation is generally relaxed due to mild currents, and visibility typically ranges between 10 and 30 metres. Access to the reef is exclusively by boat, requiring prior arrangement with a local operator. The site is also permitted for night diving, where the use of primary and backup torches is recommended. Water temperatures fluctuate between 23 and 27 degrees Celsius, necessitating appropriate thermal protection for the conditions.

Daa Djare is a reef dive site located within the Gadji and Northern Reefs of New Caledonia. This site is suitable for beginners, featuring a consistent average depth of 6 metres. Access to the site is by boat only. Dives typically last around 60 minutes, and the location is suitable for night diving. Water temperatures fluctuate throughout the year, ranging from 23C to 27C. As a shallow reef environment, it provides a stable setting for recreational diving activities.

Grotte de la Troisième is a shore-entry cave and cavern dive located at Kuto and Kanumera. The site maintains a consistent depth of 8 metres, though it is rated for advanced divers due to the overhead environment. While visibility can reach 30 metres, it may fluctuate between 5 and 20 metres. Divers should be aware of surf and shore break during entry and exercise caution regarding potential entanglement on the cave structure. Carrying both primary and backup torches is recommended to navigate darker pockets within the cavern. Water temperatures range from 23 to 27 degrees Celsius throughout the year. Facilities are not confirmed at this location.