Lac des ciments is a freshwater site located on the Normandy Coast, France, featuring artificial reef structures including car wrecks. The lake is fed by groundwater, resulting in cold water conditions. Divers should be prepared for significant temperature fluctuations, as the water can drop from 21°C at the surface to 7°C at depth. Due to the risk of cold shock and hypothermia, a dry suit or a high-quality semi-dry suit is recommended. The site offers depths ranging from 9 to 30 metres and is accessed via the shore. Facilities available on-site include changing rooms, toilets, and showers. The site is suited for intermediate divers.

Lac de Beaumont-sur-Oise is a freshwater site featuring a wreck and artificial reef structures. Suitable for beginners, the site offers depths ranging from 10 to 25 metres with no current. Visibility typically spans 8 to 10 metres, allowing for comfortable exploration of the underwater features. The site is accessible via shore and is open for both day and night diving. Divers should be aware that water temperatures can be cold below 12 to 13 metres, even in summer. On-site facilities include parking, changing rooms, showers, air fills, equipment rental, and first aid.

Fosse de Conflans is an artificial freshwater diving pit located on the Normandy Coast. The site features a maximum depth of 20 metres, with three training platforms positioned at 1.3 metres, 3 metres, and 5 metres. It is accessible via a shore entry and is suitable for beginners. Visibility is consistently between 15 and 25 metres, and the water temperature remains stable at approximately 30°C. Facilities on-site include parking, toilets, changing rooms, air fills, and equipment rental. Guided tours are available, and the site is equipped with Seac Sub gear. Divers should be aware of the hazards associated with depth and enclosed spaces.

Fosse de Villeneuve is an artificial freshwater diving pit located on the Normandy Coast. This site features a consistent water temperature of 28-29°C year-round, providing a controlled environment for divers and snorkellers. The pit reaches depths between 10 and 20 metres, with an average depth of 10 metres. Visibility is reliable, ranging from 15 to 20 metres. The site is accessible via a shore entry and is suitable for beginners. Facilities on-site include parking, toilets, changing rooms, equipment rental, and a dive shop offering air fills and guided tours. The habitat supports various temperate freshwater fish and invertebrates typical of the region.

Isanthea is a marine dive site situated along the Normandy Coast of France. The site offers a coastal diving experience typical of the region, though conditions vary depending on local tides and weather patterns. Divers should be prepared for variable visibility and currents common to this stretch of the English Channel. Access to the site is generally via boat, and it is suitable for divers with appropriate experience in temperate, open-water environments. As a marine location, the site features rocky topography and seabed structures characteristic of the Normandy coastline. Divers are advised to monitor local maritime reports for current conditions before planning a dive.

Fosse de Charenton is a shore-entry artificial reef located in France, offering depths between 5 and 15 metres with an average of 10 metres. This site is suitable for beginners looking to practice buoyancy and confidence. Visibility typically ranges from 10 to 15 metres. The water is heated to approximately 30°C year-round. Divers should be aware that currents are variable, and planning the dive around slack water is recommended for those building experience. On-site facilities include parking, toilets, showers, changing rooms, a rinse station, air fills, and a dive shop offering guided tours.

Lac de Torcy is a shallow freshwater site reaching a maximum depth of 10 metres. This shore-entry location is suitable for beginner divers looking to build confidence, though it presents specific environmental challenges. Visibility is variable and generally low, rarely exceeding 3 metres, which necessitates careful buddy proximity and compass navigation. Divers should be prepared for a thermocline, as water temperatures fluctuate between 9°C and 14°C throughout the dive. Parking is available at the site, making logistics straightforward. Typical dives last approximately 40 minutes. Due to the limited visibility, maintaining good buoyancy control is essential for all visitors.

Centre Aquatique Marne et Gondoire is a shore-entry reef site suitable for beginner divers. The reef topography extends between 10 and 20 metres, allowing for flexible depth profiles. Conditions are generally calm with no current, and visibility typically ranges from 10 to 30 metres. As a shore-entry location, divers can manage their own gear setup at the water's edge without boat logistics. The site is accessible throughout the year, providing a consistent environment for those looking to practise underwater skills or build confidence in a controlled reef setting.