Barn Hill is a shore-entry reef site located on the South Coast of England. The site features shallow water, providing a suitable environment for newly certified divers to practice skills. Visibility is variable, reflecting typical conditions for inshore reef sites in this region. Water temperatures range from 9 to 18 degrees Celsius throughout the year, necessitating a thick wetsuit or drysuit, particularly during winter months. Divers should exercise caution regarding the surf and shore break during entry and be mindful of jellyfish in the water column. Avoid contact with sharp rocks on the seabed. Check local conditions and facility availability before planning a dive.

Wide Water Beach is a shore-accessible reef site located between Brighton and Eastbourne. Divers typically enter from the beach and swim approximately 80 metres to reach the reef structures. The site reaches a maximum depth of 10 metres, with an average depth of 6 metres. Conditions are suitable for intermediate divers, though the area is subject to moderate currents, surge, and surf. Visibility ranges from 3 to 10 metres. Hazards include boat traffic in the vicinity. Facilities available at the site include parking, toilets, showers, and a cafe. Species recorded around this area include European Common Cuttlefish, catsharks, Spiny Spider Crabs, hermit crabs, and various snails.

HMS Ariadne is a wreck and artificial reef located off the South Coast of England. The site lies at depths between 14 and 30 metres, with an average depth of 20 metres. Access is by boat only, approximately 8 kilometres from the shore. Divers encounter mild currents and visibility ranging from 5 to 15 metres. The wreck features overhead sections and potential entanglement hazards, requiring intermediate skill levels and careful buoyancy control. The structure supports a variety of temperate marine life and invertebrates typical of the region. Guided tours are available and recommended for those unfamiliar with the wreck layout to assist with navigation.

Frode is a shore-entry reef dive located in Selsey on the South Coast of England. This site offers a manageable environment for divers, featuring shallow and generally calm water. As a shore-based location, it is accessible without a boat, though divers should arrive self-sufficient as facilities are not confirmed. Conditions at the site are variable, with both visibility and currents subject to change; checking local forecasts before heading out is recommended. Water temperatures fluctuate between 9 and 18 degrees Celsius throughout the year, necessitating the use of a well-fitting wetsuit for thermal protection.

The Oceana is a wreck site located 4000 metres offshore, functioning as an artificial reef. Divers can explore the structure at depths ranging from 10 to 30 metres, with an average depth of 25 metres. Access is by boat only, and the site is suited for intermediate divers due to moderate currents and potential entanglement hazards. Visibility typically ranges between 5 and 15 metres. Water temperatures fluctuate from 9C in winter to 18C in late summer, necessitating a drysuit or thick wetsuit. Divers should plan their visit around slack water and carry a surface marker buoy for boat recovery.

The Alaunia is a wreck site located off Selsey, United Kingdom. Divers encounter an overhead environment that requires strict buoyancy control to prevent silt disturbance, which can reduce visibility to one metre. The site reaches a depth of thirty-two metres, necessitating careful monitoring of depth gauges. Entanglement risks are present, and divers should carry line cutters. Water temperatures fluctuate between 9 and 18 degrees Celsius, requiring appropriate exposure protection. As this is an open-water marine environment, divers may encounter various temperate reef fish and invertebrates typical of the South Coast of England. Divers should arrive self-sufficient as facilities are not confirmed at this location.

The City of London is a wreck dive located off the coast of Brighton and Eastbourne, resting at depths between 18 and 23 metres. This shore-accessible site is suited for advanced divers due to moderate currents and the potential for variable visibility. Divers should be prepared for low-light conditions and carry both primary and backup torches. The structure presents a risk of entanglement, making a wreck reel and cutting tool essential equipment. Water temperatures fluctuate between 9C and 18C throughout the year. Divers should consult local operators regarding visibility reports before planning a dive, as conditions can change rapidly.

The Ledges is a reef and artificial reef site located approximately 1000 metres offshore from Brighton and Eastbourne. This site is suitable for beginners and is accessed exclusively by boat. Divers can expect depths ranging from 6 to 10 metres, with an average depth of 8 metres. Conditions are generally mild, with visibility typically between 5 and 10 metres. A standard dive at this location lasts around 40 minutes. Due to the site's proximity to shipping lanes and the nature of the reef structure, divers should remain vigilant regarding boat traffic and potential entanglement hazards.