La Roche aux Serpents is a deep reef located off the coast of Île Saint-Honorat. The site features a reef structure spanning depths of 35 to 43 metres, with an average depth of 38 metres. Due to the significant depth, this site is reserved for advanced divers with deep diving certification. Visibility varies between 10 and 30 metres, and the area experiences mild currents. Divers must monitor their depth and bottom time closely to manage the risk of nitrogen narcosis. Boat access is required for all dives, and water temperatures range from 13 to 20 degrees Celsius throughout the year, necessitating appropriate thermal protection.

Semaphore Drop-Off is a reef and wall site located off Île Saint-Honorat in the Lérins Islands. The site features a significant vertical profile, with depths ranging from 10 to 42 metres and an average depth of 25 metres. Divers should be prepared for mild currents and visibility between 10 and 30 metres. Due to the depth and topography, this site is suited for advanced divers. Access is exclusively by boat. Divers must remain aware of boat traffic in the area and the potential for overhead environments. Water temperatures fluctuate between 14C and 18C throughout the year.

La Pierre a Syca is a deep wall and reef site located off the coast of Île Saint-Honorat. The topography descends from 22 to 45 metres, requiring advanced certification and precise buoyancy control to navigate the sharp rock and coral formations. Access is strictly by boat. Visibility typically ranges between 10 and 30 metres, allowing for a clear view of the wall profile. While currents are generally mild, they can shift, necessitating local checks before entry. Given the depth and water temperatures ranging from 13C to 20C, divers should be prepared for deep diving conditions and appropriate thermal protection.

La Theiere is a technical dive site located off the coast of Île Saint-Honorat. The topography consists of a reef, wall, and drop-off that descends from 50 to 75 metres, with an average depth of 62 metres. Due to the significant depth, this site is strictly for advanced divers with appropriate deep and technical qualifications. Access is by boat only. Visibility ranges from 10 to 30 metres, and currents are generally mild but can shift. Divers must manage decompression obligations and nitrogen narcosis risks carefully. Guided tours are recommended to navigate the wall and local current conditions effectively.

La Vitrine is a boat-access reef and drop-off site located off Île Saint-Honorat. The site features a varied profile with depths ranging from 30 to 42 metres, averaging 36 metres. Divers encounter mild drift conditions, though currents can strengthen along the wall. Visibility typically spans 10 to 30 metres. Marine life includes uncommon sightings of Mediterranean Moray, wrasses, Turkish Wrasse, Cratena Slug, Cow Snail, Scorpionfish, Splendid Elysia, sea stars, yellow zoanthids, castagnole, and two-banded seabream. Rare sightings include Common Octopus, Mediterranean Violet Aeolid, and flatworms. Due to the depth and potential for nitrogen narcosis, this site is suited for intermediate divers. Protective gear is recommended to avoid injury from sharp coral and rocks.

Le Fer à Cheval is a marine dive site located off the coast of Île Saint-Honorat in the Lérins Islands. The site features a topography that reaches depths between 35 and 45 metres. Divers can access the site by either shore or boat. Conditions are variable, with visibility ranging from 10 to 30 metres and currents typically described as mild. Water temperatures fluctuate throughout the year, ranging from 13C in the winter months to 20C in August. Due to the depth profile, this site is generally suited for experienced divers rather than beginners.

Le Haricot is a deep boat dive located off the coast of Île Saint-Honorat. The site features a topography that descends to depths between 48 and 53 metres. Divers can expect mild currents and visibility ranging from 10 to 30 metres. Marine life recorded at the site includes the common Cratena Slug and Sea Star. Less frequently, divers may encounter Mediterranean Moray, Turkish Wrasse, Mediterranean Violet Aeolid, Cow Snail, Scorpionfish, Splendid Elysia, Flatworms, Yellow Zoanthid, Bream, Madeira Rockfish, shrimp, and Violescent Sea-whip. Due to the significant depth, this site is suited for experienced divers. Water temperatures fluctuate between 13C and 18C throughout the year.

L'Arche du Dramont, located near Île Saint-Honorat, is a reef and cave site accessible by boat. Divers can explore depths ranging from 6 to 25 metres, with an average depth of 15 metres. Visibility at the site typically spans 10 to 30 metres. The site is suitable for beginners. Marine life recorded at this location includes Mediterranean Moray, Common Octopus, Scorpionfish, and various nudibranchs such as the Splendid Elysia, Cratena Slug, and Mediterranean Violet Aeolid. Other species observed include Turkish Wrasse, Tompot Blenny, and Spirograph. Water temperatures fluctuate between 14C and 21C throughout the year.