Wittering Divers [Recommended!]
A local store, for local people! Based in Portland Road in Hove (an easy bus ride away), they stock a wide range of equipment and offer air fills including Nitrox.
Visit their website at http://www.witteringdivers.co.uk/.
Telephone: 01273 737718
Cornish Diving & Watersports [Recommended!]
Falmouth. Need I say more? Fantastic place, fantastic people and two cool boats (including the hardboat "Under Pressure"). Speak to the gang down there about mail-order of virtually any item of kit including drysuits, computers, STABs and regulators, or, visit their website at http://www.cornishdiving.co.uk/.
Telephone: 01326 311265
Iles World Of Diving
Dive centre in Shoreham-by-Sea (West Sussex) for those not-so-local people in the club.
Telephone: 01273 463291
Going Deep
Formerly Sunstar Diving, this dive centre is just 10 minutes walk from Lancing railway station, five from a bus route and a 25 minute car drive away. Visit their website at http://www.goingdeep.com/.
Telephone: 01903 767224.