The Pierres Tombées dive site, located near the Pointe de Caramassaigne in Riou, is a popular spot for its spectacular rock formations. Accessible to intermediate to advanced divers, the site lies at depths of between 7 and 40 meters.

The Pierre de Cassis, located at the Grand Conglue rock, is a popular dive site for its underwater plateau, which gradually descends towards the open sea, ending in a beak. This site is accessible to intermediate to advanced divers, with depths varying between 20 and 40 metres.

The Impériaux are part of the Riou Archipelago and represent 3 rocks to the north-east of the island, making them one of Marseille's best-known divesThe Impérial du milieu is located in the middle of the 3 rocks, as its name suggests.

The Impériaux are part of the Riou Archipelago and represent 3 rocks to the northeast of the island, making them one of Marseille's best-known dives.

The Impériaux are part of the Riou Archipelago and represent 3 rocks to the north-east of the island, making them one of the best-known dives in Marseille.

A beautiful drop to a maximum of 40 m with a small plateau at around 30 m, this enormous cathedral-cave starts at 25 m and drops to around 14 m, advancing by around ten metres on the inside.

Beautiful falling at a maximum depth of 40m with a small plateau around 30m, this enormous cave-cathedral begins at 25m to approximately up to 14m and advances about ten meters inside. ​

Between underwater plateaus, tunnels and drop-offs, there’s something for everyone.The main plateaus are between 8 and 12 metres long.On the faults side: a ten-metre tunnel with several possible entrances/exits and an arch/grotto.Beautiful drop-offs of up to 30 metres on the Cap de Plane side.

Rocky reef starting on Plane and heading towards Riou. Small drop-off with many schools of fish: on the high rocky scree transforming into a small plateau. Heading out to sea, a canyon forms between the reef and a hill below -marine. the current can be very strong.

Baou Rouge, near Marseille, is an ideal snorkeling site with its clear waters and fascinating rock formations. Accessible from depths of 1 to 10 meters, it's perfect for swimmers and beginners alike.