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.

Batéguier is a wall dive located off Île Sainte-Marguerite in the Lérins Islands. The site features drop-offs that descend to a maximum depth of 40 metres. The topography includes a shallower area suitable for beginners, while the deeper sections cater to more experienced divers. Access to the site is by boat, with a transit time of approximately 15 to 20 minutes from the port. Conditions are variable, and divers should be aware of dense boat traffic in the area, particularly during the summer months. Water temperatures range from 14C in the winter to 21C during the summer.

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 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.

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.

Le Masque is a wall and reef site located off Île Sainte-Marguerite, France. The site features depths ranging from 37 to 47 metres, with an average depth of 42 metres. Visibility is typically between 20 and 30 metres. Due to the significant depth, this site is intended for advanced divers who must monitor their gauges closely to manage decompression obligations and nitrogen narcosis. Access is by boat only. Water temperatures remain cool, ranging from 13 to 19 degrees Celsius, making a 7mm wetsuit or drysuit necessary. Species recorded around this area include wrasses, bream, scorpionfish, various nudibranchs, and flatworms.

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.

Tradeliere Nord, located off Île Sainte-Marguerite, features a diverse underwater topography comprising a wall, reef, and pinnacle. The site offers depths ranging from 12 to 60 metres, with an average depth of 20 metres. Conditions are generally manageable with mild currents and visibility between 10 and 30 metres. Access is by boat only, and the site is suitable for beginners who remain in the shallower sections of the wall. Water temperatures fluctuate between 13 and 19 degrees Celsius throughout the year. Divers should be aware of active boat traffic and potential entanglement hazards on the structures. Guided tours, equipment rental, and air fills are available locally.