Aiguille du Prony is a distinctive pinnacle in the Amédée Marine Reserve that rises from 40 metres to within 2 metres of the surface. This site features unique thermal outlets and hot springs, which can cause fluctuating water temperatures. Divers and snorkellers may encounter rock cod, common coral trout, and white-eyed moray along the rock face. Other species include day octopus, Indian lionfish, and various wrasses. Visibility can be variable, so maintain proximity to the pinnacle structure as a reference point. Access is by boat only, and mild currents make this site suitable for beginners. Night diving is also available for those looking to explore the structure after dark.

Located in the Amédée Marine Reserve, Îlot Casy is a reef site characterised by its red soil islet and turquoise waters. The site is accessed by boat, situated 300 metres from the shore. Divers and snorkellers can explore reef patches at depths ranging from 2 to 6 metres, with an average depth of 4 metres. Conditions are generally mild with visibility between 5 and 15 metres. The site is suitable for beginners, though caution is advised regarding sharp coral. Species recorded around this area include white eyed moray, rock cod, yellow boxfish, and various wrasses, alongside invertebrates like cushion stars and long-spined sea urchins.

Ilot Casy is a reef site located within the Amédée Marine Reserve in Prony Bay. The underwater landscape features a mix of coral and rocky habitats, providing a varied environment for snorkelers. Depths at this site range from 1 to 10 metres, with an average of 5 metres. Access is by boat only, and the site is suitable for beginners due to mild currents. Visibility typically fluctuates between 5 and 20 metres. Species recorded around this area include rock cod, white eyed moray, wrasses, and various invertebrates such as flatworms and sea stars. Divers and snorkelers should be aware of sharp coral present in the area.

Îlot Leroue is a small islet situated within the Amédée Marine Reserve, featuring a coral reef environment. Snorkellers can explore the reef drop-off, which ranges in depth from 3 to 10 metres. The site is accessed by boat and offers a beginner-friendly experience with mild currents. The habitat supports a variety of reef fish and invertebrates typical of the New Caledonia lagoon. Visitors should exercise caution regarding sharp coral present in the area. Water temperatures fluctuate between 22C and 27C throughout the year, providing a consistent environment for snorkelling in this protected marine zone.

Ilot Redika is a reef and drop-off site located within the Amédée Marine Reserve. This location is accessible only by boat and is suited for intermediate snorkelers. The site features a reef drop-off and healthy coral formations. Water temperatures range from 23C to 27C throughout the year. Divers and snorkelers should be aware of the presence of sharks at this site. Current conditions are generally mild, though they may vary. As a marine environment, the site supports a variety of reef-associated life, though specific species observations are not recorded.

Îlot Redika is a reef site located near Îlot Amédée within the Amédée Marine Reserve. Accessible only by boat, the site features a healthy coral reef environment suitable for beginners. Divers and snorkellers can expect mild currents, though conditions vary. Water temperatures range from 23C to 27C throughout the year. Potential hazards at this location include crocodiles, jellyfish, lionfish, sharks, and stonefish. The site is well-regarded for snorkelling, holding a rating of 4 out of 5.

Le Ponton, located on Tamanou Reef near Îlot Maître, features a floating platform that provides direct access to the surrounding reef environment. This site is suitable for beginners and offers snorkeling opportunities in depths starting from two metres. The area consists of a mix of natural reef and artificial structures. Access is by boat only, as the site is situated 4000 metres from the shore. Visibility can reach up to 40 metres, and water temperatures range between 23C and 27C throughout the year. Hazards include boat traffic and sharp coral. Facilities available at the platform include a cafe, equipment rental, boat charters, guided tours, and toilets.

Anse du Tabac is a sheltered reef cove located at Îlot Canard in the Nouméa Lagoon. The site features a rocky shoreline with intricate formations, providing a protected environment for snorkellers. Entry is made directly from the shore. Conditions are generally suitable for beginners, though visitors should exercise caution regarding sharp coral present in the area. Water temperatures at this site range from 23C to 27C throughout the year. As a reef environment, the site is well-suited for those looking for a calm, accessible snorkelling experience within the lagoon.