Small rocky island located south of Marseille, off the Calanques massif. It is part of the Riou archipelago, a beautiful canyon followed by a drop off. It is not uncommon to see groupers, greater forkbeards, eels, anthias, damsel fish and even barrakudas.

Various rocks up to 15m, as well as a plateau with rocky scree and a beautiful arch! The walls are covered in anemones and coral, and there's a vertiginous drop-off, a veritable wall and underwater mountain.

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.

Also known as Pouars or Port de Plane, this well-protected cove resembles a small port. Left-hand rock, access only possible in calm seas to a small tunnel passing outside the cove between 4 and 8 m. Outside, two rocky peaks at around 12 m and a ridge at 20 m dropping to a maximum of 35 m.

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.

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.

The cave itself is a tunnel that opens at 12 metres, at the bottom of the canyon on the right. If you look up very quickly, you will see a well into which you can climb to come out into the open air, in a basin surrounded by glistening rocks. When the weather is fine, the lighting is magical.

Rocher de Briançon is a popular dive site for its picturesque underwater scenery and rich biodiversity. Accessible to advanced divers, this site offers depths ranging from 5 to 35 meters.

The Grotte Arc-en-Ciel, located off the coast of Marseille, is an exceptional diving site accessible to intermediate to advanced divers. This underwater cave, located at a depth of between 7 and 15 metres, owes its name to the spectacular play of light created by the sun’s penetrating rays.

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.