Mérouville is a marine dive site located in the Lavezzi Islands, France, featuring a combination of reef, wall, and artificial reef topography. The site is accessible only by boat. Divers can expect depths ranging from 17 to 36 metres, with an average depth of 27 metres. Conditions vary, and the site is suited for intermediate divers due to the depth profile. Water temperatures fluctuate throughout the year, ranging from 14C in the winter months to 22C in August. As a boat-based dive, it requires appropriate planning for offshore conditions.

Mérouville is a marine dive site located within the Lavezzi Islands, France. The site features a depth range typically between 11 and 15 metres. Conditions at this location vary throughout the year, with water temperatures ranging from 14C in the late winter and early spring to 24C during the peak of summer in August. The site is accessible for diving activities, with records of dives spanning from 2000 to 2013. Divers should be prepared for variable conditions typical of the region when planning their visit to this Corsican site.

Tête de cheval in the Lavezzi Islands features a dramatic wall and cave system that descends from 5 to 35 metres. This boat-only site is suited for intermediate divers due to strong currents and the presence of overhead environments. Visibility typically ranges between 10 and 25 metres. Divers should monitor their depth closely to manage decompression limits and nitrogen narcosis. The site requires careful buoyancy control, particularly when navigating the cave structures. Boat traffic is a hazard upon surfacing, and divers should remain cautious of sharp rocks. Guided tours are available to assist with navigating the tidal windows and local conditions.

Cala Achiarina is a reef and seagrass site located on the west coast of the main island in the Lavezzi Islands. This shallow location features an average depth of 3 metres, ranging between 2 and 4 metres, making it suitable for beginners. Divers and snorkellers access the site directly from the shore, with the main area situated 15 metres from the beach. Conditions are generally mild with visibility ranging from 5 to 25 metres. Water temperatures fluctuate seasonally from 14C in winter to 26C in August. Divers should be aware of the presence of jellyfish in the area.

Les Nacres is a shallow reef dive located in the Lavezzi Islands, France, offering a depth range of 4 to 8 metres. This site is well-suited for beginners or those looking to build confidence in open water. Divers access the reef directly from the shore, avoiding the need for boat logistics. Conditions are generally relaxed with mild currents and a consistent visibility of 30 metres. Water temperatures fluctuate significantly throughout the year, ranging from 14C in the winter months to 25C in August. Divers should plan their thermal protection accordingly based on the season of their visit.

Cala Della Chiesa is a snorkel site located on the north coast of the Lavezzi Islands, featuring a topography of granite blocks and white sand. The site consists of reef and seagrass habitats at depths ranging from 1 to 12 metres, with an average depth of 3 metres. Snorkellers can observe various species including wrasses, bream, white seabream, two-banded seabream, painted comber, wide-eyed flounder, striped red mullet, tompot blenny, mauve stinger, castagnole, salema porgy, snails, and triplefin. Access is by boat, and the site is suitable for beginners. Conditions include mild currents and visibility between 5 and 20 metres. Be aware of potential hazards including boat traffic, jellyfish, and strong currents.

Cala Di U Grecu is a sheltered reef site located on the east coast of the Lavezzi Islands. This site consists of two small bays situated near the eastern jetty, offering a shallow environment ranging from 1 to 6 metres in depth. Accessible directly from the shore, the area features mild currents, making it suitable for beginners. Snorkellers should remain aware of potential boat traffic in the vicinity and the presence of jellyfish. As part of a long-standing marine preserve, the site provides a protected environment for observing the local marine habitat.

Città delle Cernie is a wall and reef system located in the Lavezzi Islands, France. The site features a depth range of 16 to 35 metres, with an average depth of 25 metres. Divers experience consistent visibility of 30 metres. Access is by boat only, and the site is suited for advanced divers due to moderate to strong currents. Water temperatures range from 14 to 19 degrees Celsius throughout the year. Divers should monitor their depth and remain close to the boat entry point, as currents can be unpredictable. The topography consists of a wall and reef structure that requires careful navigation.