The Écomusée sous-marin de Cannes, located off the coast of Île Sainte-Marguerite, features six monumental stone faces created by artist Jason deCaires Taylor. These sculptures serve as artificial reefs and are positioned between 80 and 130 metres from the shore. The site is suitable for beginners and offers a shallow depth range of 3 to 5 metres, making it an accessible location for snorkelling. Water temperatures in the area vary throughout the year, ranging from 14C in the winter months to 26C during the peak of summer. Access to the sculptures is via a shore entry.

Plateau du Milieu, also known as The Channel, is a shallow reef and artificial reef site located 100 metres from the shore of Île Sainte-Marguerite. The site features a mix of white sandy bottoms and rocky patches, with an average depth of 4 metres. Conditions are generally mild, with visibility ranging from 5 to 15 metres. It is suitable for beginners and offers accessible entry from both shore and boat. Water temperatures fluctuate throughout the year, ranging from 14C in winter to 26C in summer. Facilities including a cafe and toilets are available nearby. Divers should be aware of sea urchins present in the area.

Le Barbier, located off Île Sainte-Marguerite, offers a combined wall and wreck dive experience. The site reaches depths between 15 and 36 metres and requires boat access. Divers should be prepared for moderate currents and potential entanglement hazards around the wreck structure. Water temperatures fluctuate throughout the year, ranging from 13C in March to 21C in August. Due to the depth and current conditions, this site is suited for intermediate divers. Species recorded around this area include Mediterranean moray, common octopus, various wrasses, scorpionfish, and several species of nudibranchs, alongside bream and sea stars.

Moure Rouge at Île Sainte-Marguerite is a shallow site featuring a mix of sandy areas and rocky piers. With an average depth of 3 metres, it is well-suited for beginners and those looking to practice. The site is accessible from the shore and experiences mild currents, though visibility varies between 5 and 20 metres. Marine life recorded at this site includes snails, which are very common during July and August, alongside rare sightings of hermit crabs, bream, tompot blenny, abalone, sphinx blenny, and sea squirts. Water temperatures fluctuate significantly throughout the year, and the Mistral wind can cool the sea even during summer months. Be aware of boat traffic in the area.

Saint Fereol is a marine site located 100 metres off Île Sainte-Marguerite, featuring a combination of natural reef and artificial structures. The site ranges from 15 to 40 metres in depth, with an average of 25 metres, making it suitable for intermediate divers. Visibility typically spans 10 to 30 metres. Divers must access the site by boat, and night diving is available. Conditions generally include mild currents, though these can increase. Hazards include sharp coral, rocky surfaces, and potential entanglement risks on the artificial structures. Divers should maintain good buoyancy control and check local conditions with their charter operator before descending.

Le Vengeur is a reef and drop-off site located 1200 metres off the coast of Île Sainte-Marguerite. The site features a varied topography with depths ranging from 7 to 40 metres, averaging 20 metres. Access is by boat only. Divers should be prepared for mild currents, though strong currents can occur as a hazard. Visibility typically ranges between 10 and 30 metres. With a water temperature profile between 13C and 20C, the site is suitable for intermediate divers and supports night diving. The typical dive duration at this location is 60 minutes.

La Grosse Minouche is a technical wreck dive situated off Île Sainte-Marguerite, resting at depths between 50 and 54 metres. This site is strictly for advanced divers with deep-diving certifications. Access is by boat only, and divers must account for moderate currents during the ascent. Water temperatures fluctuate between 13C and 19C throughout the year, and visibility is variable. Due to the significant depth and potential for entanglement within the wreck structure, careful gas management and the use of a surface marker buoy are essential. Divers should consult local centres for current conditions before planning their descent.

Les Moines is a reef site located off the coast of Île Sainte-Marguerite, offering depths ranging from 15 to 40 metres. This site is accessible by boat only, and divers should be prepared for variable currents that can shift depending on the day. Visibility at the site typically ranges between 10 and 30 metres. Water temperatures fluctuate between 14 and 18 degrees Celsius throughout the year, necessitating a wetsuit of appropriate thickness. Due to the significant depth range, beginners are advised to remain in the shallower sections of the reef, while the deeper areas are suited for more experienced divers.