DeeperBlue.net
   General, dive travel and technical diving forums.
   http://www.deeperblue.net/

Scuba Addict
   Forums and photo galleries.
   http://www.scubaaddict.com

Scuba Board
   Articles and message boards about scuba diving, underwater photography and equipment.
   http://www.scubaboard.com/

Scuba Forum
   Monitored discussions of news, articles and editorials about dive travel, liveaboards, scuba equipment, dive safety, marine conservation and consumer issues.
   http://www.scuba-forum.com

Scubish
   Forums offering discussions about vacation destinations and equipment.
   http://forum.scubish.com

The Scuba Stop
   Discussion forums covering equipment, diving specialities, training, dive locations and travel.
   http://www.thescubastop.com/