Arche du Plannier, located off Île Maïre, is a reef and cave site featuring a distinctive arch formation. Suitable for intermediate divers, the site reaches depths of 30 metres with visibility ranging from 10 to 25 metres. Divers encounter various marine life, including wrasses, Turkish wrasse, scorpionfish, and flatworms. Rarer sightings include ocean sunfish, Mediterranean moray, and great barracuda, alongside nudibranchs like the Mediterranean violet aeolid and tricolor doris. The site experiences mild currents, though surge and swell can be unpredictable, particularly within the arch and cave sections. A torch is recommended for exploring the darker cave areas. Boat access is required, and water temperatures fluctuate between 13C and 19C.

La pierre à la bague is a complex site off the Île Maïre featuring a diverse topography of reef, wall, cave, and wreck structures. This site is strictly for intermediate divers, with depths ranging from 23 to 40 metres and an average depth of 30 metres. Access is by boat only, and divers must be prepared for strong currents and significant surge. Visibility is variable, often reaching 5 metres. Given the depth, potential for nitrogen narcosis, and entanglement hazards within the wreck and cave sections, advanced buoyancy control and drift diving experience are required. Night diving is permitted at this location.

Le Latécoère 298 is a French seaplane wreck resting on the seabed near Île Maïre. Reaching depths of 61 metres, this site is strictly for advanced technical divers. Visibility ranges from 10 to 30 metres, allowing for observation of the aircraft structure. The site is subject to strong currents, and the wreck presents entanglement hazards within its enclosed sections. Access is by boat only, and divers must manage decompression obligations carefully due to the significant depth. Local facilities provide air fills and guided tours for those planning to visit this challenging wreck.

Le Messerschmitt 109 is a Second World War aircraft wreck resting on a flat sandy seabed at a depth of 45 metres off the coast of Île Maïre. This site is strictly for advanced divers, as the depth requires careful management of nitrogen narcosis and mandatory decompression stops. Visibility at the site ranges from 10 to 30 metres, allowing for a clear view of the aircraft profile. Currents are typically mild. Due to the depth and the need for decompression, boat access is required and divers should use a shot line rigged directly to the wreck to conserve bottom time.

Le Chaouen is a prominent wreck dive located off the Île Maïre near Marseille. This artificial reef rests at depths ranging from 12 to 43 metres, with an average depth of 28 metres. Access to the site is strictly by boat. Divers encounter mild currents and visibility typically between 15 and 30 metres. Due to the nature of the wreck, the site presents hazards including deep water, potential entanglement, and overhead environments. While the site is accessible to beginners, the depth and wreck structure require careful planning and appropriate training. Water temperatures fluctuate between 12C and 17C throughout the year.

Le Middlebury Victory is a reef dive located at Île Maïre in the Riou Archipelago. The site features depths between 10 and 15 metres, making it suitable for beginner divers. Access is by boat, and the site is subject to moderate currents. Visibility typically ranges from 10 to 30 metres, providing clear conditions for navigating the reef. Water temperatures fluctuate between 13 and 20 degrees Celsius throughout the year, requiring appropriate thermal protection during cooler months. Divers should coordinate with local operators to manage current patterns effectively and ensure safe navigation of the area.

The Dalton is a 70.5-metre cargo ship that sank in 1928, resting at depths between 15 and 33 metres near Île Maïre. The bow sits at 15 metres in rocky scree, while the stern remains more recognisable. Divers can encounter wrasses, scorpionfish, and various nudibranchs including the Mediterranean violet aeolid and tricolor doris. Rarer sightings include ocean sunfish, Mediterranean moray, and great barracuda. This boat-access dive is suited for intermediate divers, with visibility ranging from 10 to 30 metres and mild currents. Water temperatures fluctuate between 13C and 18C throughout the year. The site requires a boat and is best enjoyed in calm sea conditions.

Ile du Planier is a boat-access site located off the coast of Marseille, offering a diverse underwater landscape of reefs, walls, and wrecks. The site features a significant depth range from 5 to 50 metres, with an average depth of 25 metres. Due to the extreme bottom profile and moderate currents, this site is suited for advanced divers. Divers must maintain awareness of boat traffic during surface intervals and use a surface marker buoy. Entanglement risks exist within the wreck sections, requiring careful equipment management. Conditions are variable, and water temperatures range between 13 and 17 degrees Celsius throughout the year.