Watford Underwater Club
- BSAC diving club offering training and diving trips. Includes dive list, course/membership costs and photo gallery. Based out of Watford, Hertfordshire.
- http://www.wuc.org.uk/

Steve Prior
- PADI course director offering instructor development courses in the Essex area. Includes testimonials and course information.
- http://www.stevepriorcd.co.uk

Marine Adventure
- Offer PADI training, diving club and organised dive trips. Based in Stevenage, Hertfordshire.
- http://www.marineadventure.org.uk

SSJ Scuba
- Offer PADI and DAN scuba training, equipment hire and a dive club. Colchester area.
- http://www.ssjscuba.co.uk

Billericay Sub Aqua Club
- Club offering BSAC training, dive trips (including technical/trimix dives) and social events. Based in Billericay, Essex.
- http://ccgi.mayho.plus.com/bsac1620/

Scubadoo Divers
- Dive shop offering PADI courses, a dive club, trips and equipment sales. Based in Mildenhall, Suffolk.
- http://www.scubadoodivers.co.uk

Mid Herts Divers
- BSAC club offering dive training. Includes discussion forum. Based in Welwyn Garden City, Hertfordshire.
- http://www.midhertsdivers.org.uk

Ocean Diving
- Offer TDI and PSA technical training courses and diving trips. Based in Essex.
- http://www.btinternet.com/~lee.hooper/test3.htm

Shark Scuba
- Diving shop offering PADI and DAN courses, equipment sales and diving trips. Training locations at Ipswich and Colchester.
- http://www.shark-scuba.com

Stortford Divers
- BSAC club offering dive training, trips and social events. Based in Bishop's Stortford, Hertfordshire.
- http://www.stortford-divers.org.uk/

Aqualand Divers
- Dive shop offering PADI courses and referrals, dive trips, equipment sales and servicing. Based in Great Baddow, Chelmsford, Essex.
- http://www.aqualanddivers.co.uk

Regal Holidays
- Specialist diving tour operator arranging overseas trips, including liveaboards and integrated dive training courses. Based in Ely, Cambridgeshire.
- http://www.regal-diving.co.uk/

Discover Scuba
- Offers PADI training at various Essex locations and organises overseas diving holidays.
- http://www.discoverscuba.co.uk

Splash Divers
- Diving club offering BSAC training and diving trips. Includes photo gallery and location information. Based in Huntingdon, Cambridgeshire.
- http://www.splashdivers.co.uk

Christal Seas Scuba Diving
- Offer PADI scuba training, diving holidays and equipment hire. Based in Norwich.
- http://www.scuba4me.co.uk

Scuba Diving
- Dive school offering PADI training. Based in Ongar, Essex.
- http://www.scubasite.co.uk

Planet Scuba
- Scuba dive centre and club offering PADI training courses, equipment sales, servicing, and dive trips. Based in Bishop's Stortford, Hertfordshire.
- http://www.planetscuba.co.uk/

A J Scuba
- PADI and SSI training courses, try dives and holiday trips. Includes photo gallery.
- http://www.ajscuba.co.uk

Sublime Diving & Tours
- PADI scuba diving courses and escorted holidays. Based in Abridge, Essex.
- http://www.scuba-dive.co.uk/

Gulp Divers
- BSAC diving club focusing mainly on intermediate and advanced training. Includes events calendar, membership fees and a photo gallery. Based in Wisbech, Cambridgeshire.
- http://www.gulpdivers.co.uk/

North Herts Divers
- Stevenage BSAC club, with own inland dive site, pool, RIB and diving equipment. Includes news, trip reports, and photo gallery. Based in Welwyn Garden City.
- http://www.northhertsdivers.co.uk/

Cambridge Dive Centre
- PADI 5-star centre, running training courses from "Bubble Maker" to Assistant Instructor level. Also incorporates a shop (not online) and a dive club.
- http://www.cambridgediveandwatersports.co.uk/

Dive Odyssea
- PADI accredited diving school and club based in Rochford, Essex. Details of courses available, dive trips, instructor profiles, equipment hire and sales.
- http://www.diveodyssea.net/

Argonaut Divers
- Ipswich SAA club, established 1970. Training, trips and boats.
- http://www.argonauts.org.uk/

Riverside Sub-Aqua Club
- BSAC branch no. 1917 based in Braintree, Essex, with information on training, activities and contact details.
- http://www.riversidesubaqua.org.uk

1st Choice Divers
- A PADI diving school based in East London and Essex offering all PADI courses from beginner to professional. Male and female instructors are available and all training is completed in drysuits.
- http://www.1stchoicedivers.com

Harlow Sub Aqua Club
- Harlow SAC (BSAC,PADI and SAA) have their own inland dive site, pool, RIB & diving equipment. Meet at Harlow pool every Wednesday at 8pm.
- http://www.harlowsac.co.uk

Dive In
- A PADI and ANDI UK College for scuba training, diving at Gildenburgh, the Lakeside Centre and Dosthill.
- http://www.divein.co.uk/

Chelmsford and District Sub-Aqua Club
- Dedicated to diving and having fun, preferably both at the same time. (BSAC).
- http://www.chelmsforddiveclub.co.uk

Bedford Sub-Aqua Club
- A friendly independent diving club based in Bedford town centre. Membership is affiliated to the BSAC, SAA and PADI diving organisations.
- http://www.bedsac.co.uk/