Holborough Lake is an artificial reef site located on the Sussex Coast. Divers can explore depths ranging from 4 to 11 metres, with an average depth of 7 metres. The site is accessible via a shore entry and is suitable for beginners. Visibility fluctuates between 1 and 20 metres, and divers should be aware of low visibility hazards. A thermocline is present, meaning water temperatures vary significantly at depth. The site offers full facilities including a dive shop, air fills, and a cafe. Night diving is permitted, and typical dives last approximately 50 minutes. The habitat supports various temperate freshwater fish and invertebrates.

Leybourne Lakes is an inland freshwater dive site situated within Leybourne Lakes Country Park. The site provides a controlled environment suitable for beginner and intermediate divers, with depths ranging from 8 to 14 metres. Divers access the water via a shore entry. Visibility at the site typically ranges between 5 and 10 metres. As a freshwater location, the site is primarily used for training and skill development in a natural setting. The surrounding area features multiple lakes and parkland.

Mercers Lake on the Sussex Coast is an artificial freshwater site offering shore entries for divers. The lake features an average depth of 8 metres, with a total range between 5 and 15 metres. Underwater attractions include the front section of a Cessna plane and an underwater forest. Visibility typically ranges from 5 to 10 metres. The site is well-equipped for visitors, providing parking, toilets, showers, changing rooms, a rinse station, and an on-site cafe. Divers should be prepared for cold water conditions and low visibility. The site is suitable for beginners and offers a typical dive duration of 40 minutes.