Calanque du Mugel provides a varied underwater landscape featuring a reef, drop-off, and seagrass beds. Suitable for both diving and snorkelling, the site offers depths between 5 and 30 metres with an average of 18 metres. Conditions are generally manageable with mild currents and visibility ranging from 10 to 30 metres. Entry is possible via shore or boat, making it accessible for beginners. Water temperatures fluctuate between 14C and 21C throughout the year. Divers should be aware of sea urchins in the shallows and use protective footwear when entering from the shore. The site supports night diving and includes facilities such as parking, toilets, a cafe, and equipment rental.

Anse du Petit Mugel is a diverse coastal site located at the eastern edge of Calanques National Park. The topography features a mix of reef, wall, and seagrass environments, with a drop-off that descends from 2 to 20 metres. With an average depth of 6 metres, the site is well-suited for beginners. Access is via a shore entry, and conditions are generally mild, though divers should remain aware of boat traffic and surf. Facilities at the site include parking, showers, and toilets. The varied underwater terrain provides a range of habitats for local marine life.

Bec de l'Aigle is a reef and drop-off site located off La Ciotat, featuring depths between 20 and 35 metres. The topography consists of a wall that requires careful buoyancy control to avoid contact with sharp rock faces. Visibility typically ranges from 10 to 30 metres. Due to the depth, this site is suited for intermediate divers who are experienced in managing nitrogen narcosis risks and decompression limits. Access is exclusively by boat, and while currents are generally mild, they can strengthen along the drop-off. Divers should monitor their bottom time closely throughout the average 30-minute dive.

La Vierge, located in the Calanque d'En-Vau, offers a diverse underwater landscape featuring a reef, wall, drop-off, and cave. Reached by boat, the site is suitable for beginners with depths ranging from 10 to 25 metres and mild currents. Visibility typically spans 10 to 30 metres. Divers frequently encounter Mediterranean moray and wrasses, while conger eel, scorpionfish, and various nudibranchs like Felimare orsinii are also recorded. The site includes an overhead cave environment, requiring careful buoyancy control. Surface conditions require vigilance due to boat traffic. Water temperatures fluctuate between 14C and 20C throughout the year, necessitating appropriate thermal protection.

La Piscine, located off La Ciotat, is a reef dive known for its calm, current-free conditions. The site offers depths ranging from 10 to 20 metres, providing a relaxed environment suitable for divers of various experience levels. Visibility at the site typically ranges between 5 and 10 metres. Access is exclusively by boat, as there is no shore entry available. Water temperatures fluctuate between 14C and 20C throughout the year, necessitating a wetsuit appropriate for the season. Divers visiting between November and April should plan for cooler conditions and consider at least a 5mm wetsuit.

La Balise is a reef site located 600 metres offshore in the Calanque d'En-Vau. The site is marked by a navigation buoy positioned between the mainland and Île Verte. Divers and snorkellers can expect depths ranging from 15 to 40 metres, with an average depth of 25 metres. Access is strictly by boat. Conditions include mild currents and visibility typically between 10 and 30 metres. Water temperatures fluctuate between 13C and 19C throughout the year. The site is suitable for beginners and supports night diving. Hazards to be aware of include boat traffic and the potential for low visibility.

Le Barancan is a reef site located in Calanque d'En-Vau, France, offering depths between 6 and 40 metres. This boat-access site features a mild current, making it suitable for drift diving. Divers can expect visibility ranging from 10 to 30 metres. Marine life includes common wrasses, as well as uncommon sightings of Mediterranean Moray, Common Octopus, Conger Eel, and various nudibranchs such as Felimare orsinii and Cratena Slug. Rare encounters with Great Barracuda and European Common Cuttlefish are also possible. The site is open for night diving, which reveals a different perspective of the reef structure. Divers should exercise caution regarding buoyancy to avoid contact with sharp coral and rocks.

Anse d'Isserot is a rugged cove located on Île Verte, offering an alternative to more crowded nearby locations. The site features interesting underwater topography, making it a suitable destination for intermediate snorkelers. Access is via a shore entry. Conditions at this site vary, with water temperatures ranging from 14C in the winter months to 24C in August. Snorkelers should be aware of moderate currents and boat traffic in the area. Facilities available near the site include a cafe and boat charter services.