Tombant de l'Émissaire is a reef drop-off located off Cap Ferrat, France. The site descends to depths between 30 and 40 metres, making it suitable for intermediate divers. Access is by boat only, as the site is situated 1000 metres from the shore. Divers should be prepared for variable conditions, including mild currents that can shift, potential down currents, and thermoclines. Visibility is often limited, sometimes reaching as low as 5 metres. Given the depth, careful monitoring for nitrogen narcosis and decompression is essential. The topography is defined by the wall structure, which requires attention to buoyancy to avoid entanglement or contact with sharp rocks and sea urchins.

La BCD is an advanced dive site located off Cap Ferrat, characterised by a pronounced drop-off that descends from 40 to 50 metres. This site features a reef structure and requires boat access. Divers must manage strong currents, which can influence descent and bottom time. Visibility typically ranges between 10 and 30 metres. Due to the significant depth and potential for overhead environments, this site is suitable only for divers trained in technical decompression profiles. Water temperatures fluctuate between 13 and 19 degrees Celsius, making appropriate thermal protection necessary.

Le Heinkel is a technical wreck dive located off Cap Ferrat, resting on the seabed at depths between 58 and 61 metres. This site is strictly for advanced divers with deep diving qualifications due to the significant depth and the requirement for precise decompression management. Access is exclusively by boat, and divers must be prepared for moderate currents that necessitate strong buoyancy control. Visibility at the site ranges from 10 to 30 metres. Given the water temperatures, which fluctuate between 13°C and 18°C, a drysuit or a thick wetsuit with appropriate thermal protection is recommended. Local operators provide guided tours to assist with site navigation and current management.

Plage du Buse in Cap Ferrat is a shore-accessible reef site suitable for beginners. The area features depths ranging from 1 to 5 metres, with an average depth of 3 metres. Divers and snorkellers can expect visibility between 10 and 25 metres. The site is notable for underwater freshwater springs that create cooler spots in the water, particularly during the summer months. Access is via a steep staircase from the nearby train station. Facilities at the site include parking, showers, and a cafe. Be aware of potential hazards including cold water and jellyfish. Typical dives last approximately 60 minutes, and the site is well-regarded for snorkelling.

Plage du Golfe Bleu is a pebble beach located at Cap Ferrat, France, offering shore access to a rocky reef environment. The site is suitable for beginners, with depths ranging from 1 to 10 metres and an average depth of 5 metres. Divers and snorkellers can explore submerged boulders at the western end of the beach. Conditions are generally mild with visibility between 10 and 30 metres. Water temperatures fluctuate seasonally, ranging from 14C in winter to 24C in summer. Facilities available at the site include parking, toilets, showers, a cafe, and first aid services. Be aware of sea urchins when entering the water.

Le Catalina is a deep wreck dive located off Cap Ferrat, resting at depths between 55 and 58 metres. This site is strictly for advanced divers due to the significant depth, which requires careful gas management and decompression planning. Access is exclusively by boat, with dives typically lasting around 20 minutes. Conditions feature mild currents and visibility ranging from 5 to 10 metres. Water temperatures fluctuate between 13C and 19C, making thermal protection essential. Divers must remain vigilant regarding nitrogen narcosis and the risks associated with deep technical diving. All descents and ascents are conducted directly from the boat.

Larvotto Submarine Reserve is a protected marine area located near Cap Ferrat, France, featuring extensive Posidonia oceanica seagrass meadows and artificial reef structures. This site is suitable for beginners, with an average depth of 7 metres and a maximum depth of 10 metres. Shore entry is available, and conditions typically include mild currents and visibility ranging from 5 to 15 metres. The area is strictly protected from fishing and anchoring. Facilities at the site include parking, toilets, showers, and a cafe. Divers and snorkellers should be aware of the presence of jellyfish in the water.

Plage du Pont de Fer is a shore-entry snorkel site located on the border of Monaco and Roquebrune-Cap-Martin. The site features rocky outcrops and a reef environment suitable for beginners. Depths range from 1 to 10 metres, with an average of 5 metres. Conditions are generally mild, though visibility varies between 5 and 10 metres. Snorkellers should be aware of jellyfish as a potential hazard. Facilities at the site include parking and showers. Species recorded around this area include wrasses, bream, sea stars, painted combers, Mediterranean morays, great barracuda, and various crustaceans and nudibranchs.