The National Diving and Activity Centre is a freshwater site located on the Dorset Coast, United Kingdom. This artificial reef offers a wide range of depths from the surface down to 88 metres, making it suitable for various skill levels including beginners. Divers enter from the shore to explore the submerged features. Water temperatures fluctuate throughout the year, ranging from 7C in February to 19C in July and August. The site provides comprehensive facilities including parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, a cafe, and an on-site dive shop. Night diving is permitted at this location, though divers should be aware of the overhead environment hazards.

Ndac is a freshwater artificial reef located on the Dorset Coast. The site offers a wide depth range from 6 to 80 metres, making it suitable for intermediate divers. Entry is via the shore. Visibility typically ranges between 5 and 10 metres. The site features overhead environments and significant depths, requiring appropriate training and caution. Facilities on-site include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, a cafe, a dive shop, and guided tours. Night diving is permitted at this location.

Vobster Quay is an inland freshwater dive site featuring a variety of wrecks and artificial reefs. The site offers depths ranging from 6m to 36m, with an average depth of 18m, making it suitable for beginner divers and training courses. Entry is via the shore. Visibility fluctuates between 5m and 25m. Divers should be aware of potential hazards including deep water, entanglement risks, low visibility, and thermoclines, as water temperatures can drop significantly with depth and reach as low as 3°C in winter. The site is equipped with parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, a cafe, and first aid facilities.