Les Portes de l'Atlantide is a deep-water reef and wall site located off the coast of Île Saint-Honorat. The topography features a vertical wall structure that descends from 30 to 40 metres, offering clear views of the relief due to consistent 30-metre visibility. This site is strictly for advanced divers given the depth profile. Water temperatures fluctuate between 13 and 20 degrees Celsius, necessitating appropriate thermal protection. Boat access is required, and surface marker buoys are essential due to the risk of boat traffic. Divers should remain close to the shot line during ascent to ensure visibility to vessel crews.

Calanque de Maupas on Île Saint-Honorat offers a snorkel experience over a seabed composed of Posidonia seagrass and white sand. The site features depths ranging from 10 to 40 metres, with an average depth of 8 metres. Snorkellers access the water directly from the shore. Conditions are variable, with visibility typically between 5 and 15 metres and mild currents. The site is suited for intermediate snorkellers. Hazards include sea urchins and sharp coral. Species recorded around this area include Mediterranean Moray, Common Octopus, European Common Cuttlefish, Splendid Elysia, Turkish Wrasse, Scorpionfish, various wrasses, Cow Snail, Cratena Slug, flatworms, Giant Doris, Mediterranean Violet Aeolid, Tricolor Doris, and Tompot Blenny.

Calanque de Saint-Barthélemy is a shore-access site located on Île Saint-Honorat, featuring a combination of natural reef and artificial reef structures. The site is well-suited for beginners and offers excellent conditions for snorkelling. Depths range from 2 to 10 metres, with an average depth of 6 metres. Divers can expect mild currents and visibility that varies between 5 and 20 metres. Water temperatures fluctuate seasonally, from 14C in winter to 25C in August. Typical dives at this location last approximately 20 minutes. Parking is available for visitors accessing the site.

Esterel is a shore-entry reef dive located off the coast of Île Saint-Honorat. The site features shallow, calm conditions suitable for beginner divers to practice in open water. Water temperatures fluctuate throughout the year, ranging from 14C in winter to 26C in August. Visibility and currents are variable, so it is recommended to check local weather and sea-state forecasts before entering the water. As facilities are not confirmed on site, divers should arrive fully prepared with all necessary equipment. The habitat supports a variety of Mediterranean reef fish and invertebrates, though specific sightings are not guaranteed.

Aiguilles de Tayat is a pinnacle and reef site located off Île Saint-Honorat. The topography features a wide depth range, starting at 10 metres and descending to 42 metres. Visibility is consistently 30 metres, allowing for clear observation of the reef structure. Divers regularly encounter Mediterranean Moray, wrasses, Turkish Wrasse, scorpionfish, Painted Comber, Tompot Blenny, White Seabream, sea stars, castagnole, bream, Mediterranean Cardinalfish, snails, mullet, and Salema Porgy. Water temperatures fluctuate between 13C and 20C throughout the year. Access is strictly by boat, requiring careful planning of bottom time and gas management. Due to the depth and potential for boat traffic, this site is suited for intermediate divers.

Calanque du Petit Caneiret on Île Saint-Honorat is a sheltered reef site accessed via a 100-step stone staircase. The cove is framed by high red cliffs, creating a protected environment suitable for beginners. Snorkellers can observe a variety of marine life, including snails, which are very common, particularly in May and June. Other species recorded at the site include wrasses, salema porgy, bream, and hard coral. Nudibranchs such as the Splendid Elysia, Cratena Slug, and Mediterranean Violet Aeolid are occasionally present, alongside sea hares and mauve stingers. Water temperatures fluctuate between 14C and 26C throughout the year, and currents are generally mild. Toilets are available at the site.

La Roche d'Aurelle is a reef and drop-off site located off the coast of Île Saint-Honorat. The topography features an emerging rock formation that descends to a depth of 37 metres, with the site ranging between 16 and 39 metres. Divers can observe Mediterranean Moray, scorpionfish, and various wrasses including the Turkish Wrasse. Other species present include Tompot Blenny, Painted Comber, White Seabream, Castagnole, sea stars, bream, Mediterranean Cardinalfish, snails, mullet, and Salema Porgy. Access is by boat only, and the site is suited for intermediate divers due to the potential for strong currents, though conditions are generally mild.

Pinassen is a shore-entry reef dive located at Île Saint-Honorat. The reef topography slopes from a depth of 5 metres down to 25 metres, allowing divers to select a depth suited to their experience level. The site is subject to mild currents, though divers should remain aware of surge and swell near the surface. Entry and exit require caution due to potential boat traffic and sharp rocks and coral. Water temperatures fluctuate between 14C and 22C throughout the year, necessitating appropriate thermal protection in cooler months. Equipment rental and air fills are available at a nearby dive shop.