HMS Pine is a wreck site located 9000 metres off the coast of Selsey, United Kingdom. Resting on a flat seabed at depths between 15 and 19 metres, the wreck provides significant hard relief. Divers should expect moderate currents and variable visibility ranging from 5 to 10 metres, occasionally dropping to two metres. Due to the risk of entanglement, divers must carry a cutting tool and a surface marker buoy. This site is suitable for intermediate divers, with boat access required. Planning dives around slack water is essential to manage current conditions effectively.

Broderick is a combined reef and wreck site located off the coast of Selsey, United Kingdom. Divers can explore depths ranging from 6 to 30 metres, with an average depth of 15 metres. The site features a wreck structure that provides navigation interest alongside the natural reef. Conditions are variable, with visibility fluctuating between 1 and 20 metres and moderate currents that can strengthen unpredictably. Due to boat traffic and potential current, divers should carry a surface marker buoy and deploy it early. Given the water temperatures of 9 to 18 degrees Celsius, a drysuit or thick wetsuit is recommended for this intermediate-level dive.

The Far Mulberry is a prefabricated concrete caisson from the D-Day landings, resting on the seabed at a depth of 10 to 12 metres. Functioning as an artificial reef, the structure offers sheltered recesses and hard surfaces that support temperate reef fish and invertebrates. This site is accessible only by boat, located approximately 1609 metres from the shore. Divers encounter mild currents and visibility ranging from 5 to 15 metres. Given the water temperatures of 9 to 18 degrees Celsius, adequate thermal protection is required. The site is suitable for beginners, though caution is advised around the concrete edges of the caisson to avoid sharp surfaces.

Cuckoo is a wreck site located 500 metres off the coast of Selsey, United Kingdom. This marine site sits at depths between 12 and 15 metres and requires boat access. Divers should anticipate moderate currents that can strengthen, necessitating careful planning around slack water. Visibility is variable, ranging from 3 to 10 metres. Due to the wreck structure, entanglement is a primary hazard, and divers are advised to carry cutting tools. Water temperatures fluctuate between 9 and 18 degrees Celsius throughout the year. The site is suited for intermediate divers who can manage buoyancy and navigation in changing conditions. The surrounding habitat supports various temperate marine life and invertebrates.

Gascogny is a wreck dive located off the coast of Selsey, United Kingdom, suitable for intermediate divers. The site reaches depths between 22 and 30 metres, with an average depth of 25 metres. Access is by boat only. Divers should expect variable visibility ranging from 5 to 7 metres, necessitating the use of a dive light. Water temperatures fluctuate between 9 and 18 degrees Celsius throughout the year. Due to the nature of the wreck structure, divers must maintain buoyancy control to avoid entanglement. Conditions, including current and visibility, can shift significantly, so local checks are recommended before diving.

Bognor Rocks in Selsey offers a shallow shore dive suitable for beginners. Divers enter from the beach and swim approximately 150 metres south over a sandy bottom to reach the reef. The site consists of rocks interspersed with sand, with depths not exceeding 7 metres. Due to local conditions, this site should be dived at slack water, and divers must deploy a surface marker buoy. The habitat supports a variety of temperate marine life, including various fish and invertebrates typical of the South Coast England region. It is accessible for both diving and snorkelling, providing a straightforward coastal experience.

The Axwell is a wreck site located off the coast of Selsey, suitable only for advanced divers due to its depth and challenging conditions. The wreck lies at depths reaching 45 metres. Divers must contend with strong, unpredictable currents and visibility that fluctuates significantly between 1 and 20 metres. Access is by boat only, and the site requires careful planning around slack water to ensure a manageable dive. Given the depth and potential for entanglement within the wreck structure, this site demands high levels of experience. Water temperatures range from 9°C to 18°C, making a drysuit the recommended choice for year-round diving.

Inner Mulberry Harbour is a shallow artificial reef and wreck site located 100 metres off the shore of Selsey. The site consists of the remains of a Mulberry Harbour unit, which is visible at low tide. Divers can expect a maximum depth of 5 metres, making this an accessible location for beginners. Conditions are generally mild, with visibility ranging from 2 to 15 metres and water temperatures between 9C and 18C. The habitat supports a variety of temperate marine life, including reef fish and invertebrates typical of the South Coast of England. Shore access is standard for this site, which offers a typical dive duration of 45 minutes.