» BSAC
The British Sub-Aqua Club, for diving training, certification, travel, education, snorkelling.

» PADI
The website that has up-to-date dive infomation and all your dive needs. Find your local dive center or resort; Weekly dive related news; Monthly email newsletter and lots lots more.

» NAUI Worldwide
NAUI Worldwide is the oldest, most respected not-for-profit international scuba training agency in the USA.

» DAN
Divers Alert Network a nonprofit scuba diving and dive safety association providing expert medical advise for underwater injuries, emergency information, research, training and products.