The Clan Macmillan is a technical wreck dive located off the coast of Brighton and Eastbourne. Resting at depths between 50 and 65 metres, this site is strictly for experienced divers with trimix certification. The wreck is subject to strong currents, making precise timing with slack water essential for a safe dive. Visibility typically ranges from 3 to 10 metres, and the environment presents significant hazards including entanglement risks and cold water temperatures between 9 and 18 degrees Celsius. Divers should be self-sufficient, as facilities at the shore entry point are not confirmed. A drysuit is recommended for the duration of the 30-minute typical dive.

The City of Brisbane is a wreck dive located 5556 metres offshore, requiring boat access. The site sits at depths ranging from 6 to 30 metres, with an average depth of 25 metres. Divers should be prepared for moderate currents and plan descents around slack water to manage conditions. Visibility at the site is highly variable, making local checks essential before departure. Due to the depth and potential for entanglement within the wreck structure, this site is suited for intermediate divers with good buoyancy control. Typical dive times are approximately 40 minutes, and water temperatures fluctuate between 9C and 18C throughout the year.

Newhaven West Arm is an artificial reef site located 100 metres from the shore in Brighton and Eastbourne. The site features a depth range of 4 to 9 metres, with an average depth of 7 metres. Divers can access the site from both the shore and by boat. Conditions include moderate currents and visibility ranging from 2 to 5 metres. Water temperatures fluctuate between 9C and 18C throughout the year. The site is suitable for beginners and supports night diving, with a typical dive duration of 50 minutes. Hazards to consider include boat traffic, entanglement risks, and surf. Local facilities include parking, air fills, and a dive shop.

HMT Ocean Sunlight is a wreck dive located off the coast of Brighton and Eastbourne. This site is suitable for intermediate divers, requiring boat access and careful planning around slack water to manage moderate currents. Conditions at the wreck are variable, and divers should be prepared for cold water temperatures ranging from 9 to 18 degrees Celsius. A drysuit or thick wetsuit is recommended. The structure of the wreck presents potential entanglement hazards, necessitating strong buoyancy control and situational awareness throughout the dive. As conditions can change rapidly, checking current tables before departure is essential for a safe experience.

Saltdean Undercliff features a combination of natural reef and artificial reef structures. The site is characterised by rock groynes that form small, sheltered pockets along the coastline. Divers should expect variable conditions, as chalk suspension often results in low visibility. Water temperatures fluctuate between 9C and 18C throughout the year. This shore entry site is suitable for beginners, though divers must remain aware of potential hazards including cold water, rip currents, and surf. Facilities available at the location include parking, toilets, showers, and a cafe. Snorkelling is possible, though the site is rated 2/5 for this activity.

The T R Thompson is a shipwreck dive site located off the coast of Brighton and Eastbourne. This site is suitable for intermediate divers and requires boat access, as it lies approximately 19 kilometres from the shore. Divers can expect depths ranging from 14 to 30 metres, with an average depth of 25 metres. Conditions at the site are variable, with moderate currents, potential for low visibility, and risks of entanglement. Marine life recorded at the site includes snails, which are very common. Water temperatures fluctuate throughout the year, ranging from 9C in the winter months to 18C during late summer.

The City of Waterford is a wreck dive located 12.8 kilometres off the coast of Brighton and Eastbourne. Resting at depths between 30 and 36 metres, this site is strictly for advanced divers. The wreck presents significant entanglement risks, requiring precise buoyancy control and awareness of the overhead structure. Strong currents are common, making slack water essential for a successful dive. Visibility is highly variable and can drop to one metre, so divers must monitor their position closely. Boat access is required to reach the site, and thermal protection is necessary to manage water temperatures ranging from 9C to 18C throughout the year.

The Mira is a wreck located off the coast of Brighton and Eastbourne, resting at depths between 31 and 36 metres. This site requires boat access and is suited for intermediate divers with experience in deeper UK waters. Divers should be prepared for moderate currents and visibility typically ranging from 5 to 10 metres. The wreck structure offers opportunities for exploration, though the depth necessitates careful management of nitrogen narcosis and buoyancy control. Due to the nature of the wreckage, entanglement is a potential hazard. Divers are advised to book a charter boat familiar with the site to ensure accurate positioning and efficient descent.