Andark Lake is a purpose-built freshwater training site located in Selsey, United Kingdom. The lake offers a controlled environment with a maximum depth of 7 metres. Divers can utilise two training platforms situated at 1.2 metres and 3.5 metres, which are ideal for buoyancy practice and equipment testing. The site features various underwater objects for navigation, including a bow section, a mirrored wall for kit checks, and multiple tie-down points. Entry is via the shore, and the site experiences mild currents. The habitat supports general temperate freshwater life, including various fish and invertebrates typical of the region.

Bembridge Lifeboat Slip is a shore-entry snorkel site located in Selsey, United Kingdom. The site is characterised by an old outfall pipe and pier structures that have become encrusted with marine growth. Snorkellers can explore these artificial features alongside nearby eelgrass beds, which serve as a nursery area. Water temperatures at this location vary between 9C and 19C throughout the year. Due to the nature of the environment and the required navigation around structures, this site is best suited for intermediate-level snorkellers. It offers a unique opportunity to observe the development of marine life on submerged man-made infrastructure.

The HMS A1 Submarine is a wreck site located 3200 metres off the coast of Selsey, United Kingdom. Resting at an average depth of 11 metres, with a range between 9 and 12 metres, the site is accessible only by boat. Divers should be prepared for challenging conditions, as the area is subject to strong currents and visibility that can fluctuate between 0 and 6 metres. Due to these environmental factors, the site is suited for intermediate divers. Facilities available in the area include air fills and boat charter services to reach the wreck.

Tanks & Bulldozers is an artificial reef site located 9400m off the coast of Selsey, United Kingdom. This wreck site features submerged heavy machinery and sits at depths ranging from 15m to 22m, with an average depth of 20m. Divers should expect mild currents and visibility typically between 1m and 6m. Due to the depth and low visibility, this site is suited for intermediate divers. Access is by boat only, with a typical dive duration of 30 minutes. Water temperatures fluctuate throughout the year, ranging from 9C in late winter to 19C in August.

LCT(A) 2428 is a shipwreck and artificial reef located off the coast of Selsey, United Kingdom. The site sits at a shallow depth of approximately 4 metres, making it accessible for beginner divers. Access to the wreck is by boat only. Divers should be prepared for moderate currents and visibility that typically averages 4 metres. Due to the nature of the wreck, hazards include potential entanglement and low visibility. The site is suitable for night diving, with typical dive durations around 30 minutes. Water temperatures at this location fluctuate between 9C in the winter months and 19C during August.

Edenwood in Selsey offers a combination of natural and artificial reef structures, providing a varied environment for divers. The site is shallow, with depths ranging from 5 to 10 metres, allowing for extended bottom times. Shore entry is standard, and the mild currents make this location suitable for beginners building their confidence. Visibility is highly variable, ranging from 1 to 20 metres depending on local conditions. Divers should exercise caution regarding sharp coral and rocks during entry and while navigating the reef. Water temperatures fluctuate between 9 and 19 degrees Celsius throughout the year, necessitating appropriate thermal protection such as a drysuit or thick wetsuit during cooler months.

Selsey East Beach is a shore-entry site featuring a mix of reef and artificial reef structures. Located within a Marine Conservation Zone, the topography includes peat and clay exposures. Divers and snorkellers can expect depths between 5 and 10 metres, with an average of 7 metres. The site is suitable for intermediate divers due to strong currents and variable visibility of 5 to 10 metres. Water temperatures range from 9C to 19C throughout the year. The area supports a variety of temperate marine life and invertebrates typical of the region. Facilities include parking, toilets, showers, a cafe, and local dive shops for equipment rental.

Selsey Lifeboat Station offers a shallow shore dive ranging from 1 to 10 metres, with an average depth of 6 metres. The site consists of an artificial reef structure alongside natural reef formations. It is suitable for beginners, though divers should be aware of moderate currents, surf, and boat traffic in the area. Water temperatures fluctuate between 9C and 19C throughout the year, and visibility typically ranges from 2 to 5 metres. The site is accessible for shore entries and supports night diving, with typical dive times around 50 minutes. Facilities including parking and toilets are available nearby for visiting divers.