Le Tombant aux Langoustes is a deep wall and cave site located in Calanque d'En-Vau. The topography features a vertical wall dropping from 30 to 45 metres, with an average depth of 40 metres. Divers encounter cave sections that require precise buoyancy control and advanced training. Visibility varies between 10 and 30 metres, and currents are typically mild. Due to the significant depth and overhead environments, this site is strictly for advanced divers. Boat access is required to reach the location. Divers should monitor bottom time and depth closely to manage risks associated with decompression and nitrogen narcosis.

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.

Calanque de la Plageolle is a narrow, sheltered cove within Calanque d'En-Vau, offering a protected environment for beginners. This reef site features shallow waters suitable for both diving and snorkelling. Divers and snorkellers frequently encounter Mediterranean Moray and various wrasses, while uncommon sightings include Common Octopus, Conger Eel, Scorpionfish, and several species of nudibranchs like Felimare orsinii and Felimare fontandraui. Great Barracuda, European Common Cuttlefish, and White-spotted Octopus are occasionally recorded. Entry is via the shore, and currents are generally mild. Water temperatures fluctuate between 14C and 24C throughout the year, so divers should be prepared for cold water conditions.

Anse au Canon is a reef dive located off the coast near La Ciotat. The site features a reef structure with depths ranging from 10 to 20 metres. Visibility at the site typically spans 10 to 30 metres. This location is suitable for intermediate divers and requires boat access. Water temperatures fluctuate between 14C and 21C throughout the year, necessitating appropriate thermal protection during cooler months. Due to active boat traffic in the area, divers must deploy a surface marker buoy upon ascent and remain close to the shot line when surfacing.

Calanque de Seynerolles, situated on the southern side of the uninhabited Île Verte, features a varied topography of sand and rock. This site offers both reef and cave environments, with depths ranging from 7 to 25 metres. Located 1500 metres from the shore, the site requires boat access for both diving and snorkelling. Visibility typically ranges between 5 and 10 metres. Water temperatures fluctuate between 14C in the winter and 21C in August. Due to the presence of caves, divers should be aware of overhead environment hazards, and all visitors must remain cautious of boat traffic in the area. A cafe is available for visitors.

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 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.

Le Grand Moure is a reef and drop-off site located 1000 metres from the shore of Calanque d'En-Vau. The site features a varied topography with depths ranging from 9 to 40 metres, averaging 25 metres. Conditions are generally stable with mild currents and visibility between 10 and 30 metres. Water temperatures fluctuate between 14C and 19C throughout the year. Due to the depth, this site is suited for intermediate divers. Access is strictly by boat, and the location supports night diving. Local facilities include dive shops, boat charters, and guided tours to assist with site navigation.