Anse de la Fausse Monnaie is a quiet, natural cove located on the island of Port-Cros. The site features rocky drop-offs and extensive seagrass beds, providing a varied underwater topography for snorkellers. Depths typically range between 4 and 8 metres, with an average of 6 metres. Access is via the shore, and the site is suitable for beginners due to the mild currents. Snorkellers should be aware of sea urchins present in the area. Water temperatures fluctuate throughout the year, ranging from 14C in the winter months to 25C in August. A typical snorkel session lasts approximately 30 minutes.

Dalles de Bagaud is a reef and seagrass site located off the Île de Port-Cros. The topography features a reef structure transitioning into seagrass beds, with depths ranging from 6 to 20 metres and an average depth of 9 metres. Conditions are generally calm with visibility between 10 and 30 metres. This site is suitable for beginners and supports night diving. Access is strictly by boat, and divers must remain alert for boat traffic while surfacing. Water temperatures fluctuate between 14C and 21C throughout the year, requiring appropriate thermal protection depending on the season.

Pointe du Bau is a reef and drop-off site located at Île de Port-Cros, France. The topography features a wall that descends from 15 to 34 metres, with an average depth of 18 metres. Access is strictly by boat, and divers should be prepared for mild currents and potential surf at the entry point. Visibility at the site typically ranges between 5 and 10 metres. Due to the depth and conditions, this site is suited for intermediate divers. Night diving is permitted, offering a different perspective of the reef structure. Water temperatures fluctuate between 13 and 20 degrees Celsius throughout the year.

Pointe de Montrémian is a diverse marine site located off the Île de Port-Cros, featuring a combination of reef, wall, and seagrass habitats. The site offers a significant depth range from 6 to 42 metres, with an average depth of 25 metres. Divers encounter a drop-off and artificial reef structures, requiring boat access due to its distance from the shore. Conditions vary, with visibility ranging from 5 to 30 metres and moderate currents. The site is suitable for beginners, though divers should be aware of potential surge and strong currents. Water temperatures fluctuate between 13C and 20C throughout the year.

La Tantine is a technically demanding site located 500 metres off the coast of Île de Port-Cros. This site features a combination of wreck and reef topography, with depths ranging from 5 to 48 metres. Due to strong currents and significant boat traffic, this location is strictly for advanced divers. Visibility is variable, fluctuating between 5 and 30 metres. Divers must be prepared for deep-diving conditions, which require careful management of nitrogen levels and bottom time. Access is exclusively by boat, and the use of a surface marker buoy is essential for safety during ascent. Divers should remain vigilant regarding entanglement risks and potential hazards such as sea urchins.

Plage de la Palud on Île de Port-Cros features the oldest underwater trail in Europe. This site provides an accessible experience for beginners, with six educational buoys guiding snorkelers through reef and seagrass habitats. Depths range from 1 to 10 metres, averaging 5 metres. Snorkelers frequently encounter wrasses and bream. Less common sightings include the common octopus, Mediterranean moray, painted comber, and various nudibranchs such as the Mediterranean violet aeolid. Entry is from the shore, with visibility varying between 5 and 25 metres and mild currents. Be aware of potential surf and the presence of jellyfish, including the mauve stinger.

La Gabinière is a prominent reef and wall site located off the Île de Port-Cros. This advanced dive site features a dramatic drop-off reaching depths of 50 metres, with an average depth of 25 metres. Divers encounter strong currents, making boat access essential. The site is known for its diverse marine life, including common sightings of Great Barracuda, Mediterranean Moray, and various wrasses. Macro enthusiasts may spot Mediterranean Violet Aeolid, Cratena Slug, and Squat Lobster. Less frequently, divers record groupers, Scorpionfish, and Kingfish. Visibility typically ranges from 10 to 30 metres, and water temperatures fluctuate between 13C and 20C throughout the year. Night diving is permitted at this location.

Pointe de la croix is a wall and reef site located off the coast of Île de Port-Cros. This marine site is accessible only by boat and is suited for intermediate divers due to the presence of strong currents. The topography features a wall that descends to a maximum depth of 30 metres, with an average depth of 25 metres. Visibility at the site varies between 5 and 25 metres. Water temperatures range from 13C in the winter to 21C in August. Divers and snorkellers should be prepared for strong currents throughout the area.