Grotte du Sémaphore at Cap Ferrat offers a diverse underwater landscape featuring a cave, a drop-off, and a reef. Reaching depths between 9 and 40 metres, the site is accessible to beginners who should remain in the shallower sections. Divers encounter various marine life, including common wrasses, scorpionfish, white seabream, and sea stars. Less frequently, observers record Mediterranean moray, lefteye flounder, gurnard, and various nudibranchs like the Cratena slug. The site requires boat access and presents mild currents with visibility ranging from 10 to 30 metres. Due to the overhead cave environment, maintaining buoyancy control is essential. Guided tours are recommended to navigate the layout safely while avoiding contact with the reef and cave walls.

Grande Baie at Cap Ferrat offers a diverse underwater landscape featuring a reef, wall, cave, and drop-off, alongside an artificial reef. Suitable for beginners, the site reaches depths between 2 and 60 metres with visibility ranging from 10 to 25 metres. Divers can encounter common species such as wrasses, scorpionfish, sea stars, and white seabream. Less frequently, the site hosts Mediterranean moray, European common cuttlefish, Turkish wrasse, lefteye flounder, gurnard, splendid elysia, cow snails, cratena slugs, tube worms, and brittle stars. Entry is possible from both shore and boat, with mild currents typically present. Water temperatures fluctuate between 13C and 19C throughout the year.

La Gavinette at Cap Ferrat offers a varied underwater landscape featuring a reef, a drop-off, and an artificial reef structure. Divers can explore depths ranging from 10 to 40 metres, with an average depth of 20 metres. Visibility typically spans 10 to 25 metres. The site is accessible from the shore, though entry requires caution due to surf and shore break conditions. While currents are generally mild, stronger flows can occur, and a small cold current is often present 1 to 2 metres above the site. Water temperatures fluctuate between 14C and 21C throughout the year. Parking is available on-site to facilitate gear preparation.

Crau de Nao at Cap Ferrat features a complex underwater topography consisting of a reef, wall, drop-off, and cave system. The site begins at 6 metres and descends to a maximum depth of 50 metres, with an average depth of 35 metres. Due to the depth and overhead environments, this site is suited for intermediate and advanced divers. Moderate currents are common, and visibility typically ranges between 5 and 10 metres. Access is by boat, located 4000 metres from the shore. Divers must be aware of heavy boat traffic and surf conditions at the surface. Proper training is required for cave penetration.

Tombant André is a wall and drop-off site located 100 metres off the coast of Cap Ferrat. The site features a vertical structure descending from 20 metres to a maximum depth of 43 metres, with an average depth of 35 metres. Divers must access the site by boat. Conditions include moderate currents and visibility ranging from 5 to 25 metres. Water temperatures fluctuate between 13C and 21C throughout the year, necessitating appropriate thermal protection. Given the significant depth and potential for rapid descent along the wall, this site is suited for intermediate divers who can manage gas consumption and monitor their dive computers closely.

L'interdite is a shore-entry reef site located at Cap Ferrat, France. The site features shallow waters that are suitable for beginners and snorkellers. Divers and snorkellers can observe a variety of marine life including common wrasses, bream, white seabream, and sea stars. Less frequently encountered species include Mediterranean moray, scorpionfish, cratena slug, cow snail, castagnole, painted comber, Mediterranean cardinalfish, tube worms, crabs, and tompot blenny. Water temperatures fluctuate between 14C and 26C throughout the year. Visibility at this site is variable and depends on local weather and swell conditions. Divers should check conditions locally before entering the water and consider using at least a 5mm wetsuit outside of the summer months.

Les escaliers is a reef site located at Cap Ferrat on the French Riviera. Accessible only by boat, this site features shallow, calm waters that provide a comfortable environment for beginners building confidence underwater. Water temperatures fluctuate between 14C in winter and 26C in summer, requiring a wetsuit appropriate for the season. Visibility can vary significantly depending on recent weather and seasonal conditions. Divers and snorkellers should arrange equipment hire and air fills through their boat operator in advance, as no facilities are confirmed at the site. Always check locally for current sea conditions and visibility before departure.

Plage des Fosses at Cap Ferrat offers a accessible shore entry suitable for beginners. The site features a combination of natural and artificial reef structures across a depth range of 1 to 9 metres, with an average depth of 5 metres. Divers experience mild currents and visibility ranging from 5 to 15 metres. Water temperatures fluctuate between 14C and 25C throughout the year, requiring appropriate thermal protection. On-site showers are available for rinsing equipment after dives. Be aware of jellyfish in the water column; a full wetsuit or skin suit is recommended for protection.