Rioux is an island of the "Parc National des Calanques". This site^? where many studies where conducted is quite well-known.

Morgiou is a calanque of the "Parc National des Calanques". This place is a site^? where some studies where done by the Marine Station of Endoume.

[5.451883,43.201060]

Coraligenous site^? with a "tang" of coralligenous habitat^? between 25 and 45 meters deep.

Tiboulen de Maire is an island of the "Parc National des Calanques", in the south of Marseilles’ bay. This place is a site^? where many studies where realised by the Marine Station of Endoume. A lot of biological samplings are made in this area. There are some boat’s wrecks in the surroundings of the island. It is the main route to sail to the "Parc National des Calanques" and many diving club are visiting this site.

"Méjean la Tête de Chien" is a calanque near the "Parc de la Côte Bleue", in the north of Marseilles’ Bay. This place is a site^? where the temperature is recorded by the OSU Pythéas. Many diving clubs are visiting it.