Le Bassin is a boat-accessible dive site located off the coast of Île Saint-Honorat in the Lérins Islands. The site features depths ranging from 30 to 40 metres, making it suitable for experienced divers. Conditions are variable, with visibility typically between 10 and 30 metres and mild currents present. Water temperatures fluctuate throughout the year, ranging from 14C in the winter months to 18C in the autumn. Due to the depth and conditions, this site is best suited for those with appropriate training and experience in deeper water environments.

Les Péniches d'Anthéor is a wreck and reef site located 800 metres from shore, offering a challenging dive for advanced divers. The site features wreck structures resting between 24 and 36 metres, with an average depth of 28 metres. Divers must use a boat for all entries due to active local boat traffic. Conditions include mild currents that can strengthen, and visibility ranging from 10 to 30 metres. Given the depth and the entanglement risks posed by the wreck structure, divers should maintain strict buoyancy control and air management. Guided tours and boat charters are available to assist with navigation and safety at this site.

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.

Calanque des Anglais on Île Saint-Honorat consists of three small pebble coves. The site features underwater caves and large boulders, creating a complex topography for snorkellers to explore. Entry is via the shore. Water temperatures vary significantly throughout the year, ranging from 14C in winter to 26C in August. Due to the presence of sharp coral and jellyfish, snorkellers should exercise caution. This site is rated 4 out of 5 for snorkelling and is best suited for intermediate participants.

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.

Banc des vieilles is a deep reef located off the coast of Île Saint-Honorat. The site features a significant drop-off, with depths ranging from 43 to 68 metres, making it suitable only for advanced or technical divers. Visibility varies between 10 and 30 metres. Water temperatures are cool, fluctuating between 13C and 17C throughout the year, necessitating appropriate thermal protection. Access is strictly by boat, and divers must be prepared for strong currents. Species recorded around this area include Mediterranean Moray, Common Octopus, Scorpionfish, and various wrasses. Always confirm current conditions with your boat operator before entry, as conditions at depth can change without warning.

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.

Tombant des Allemands is a reef drop-off located off Île Saint-Honorat that descends to depths between 55 and 65 metres. This site is suited for intermediate divers who possess strong buoyancy control and air management skills. Visibility typically ranges from 10 to 30 metres, allowing for clear views of the wall structure. Water temperatures fluctuate between 13 and 19 degrees Celsius throughout the year, requiring appropriate thermal protection. Access to the site is by boat only. Divers should be aware of mild currents that can occasionally strengthen, as well as potential surf and shore break conditions that may affect boat embarkation and disembarkation.