Scuba Diving magazine - Rodale's Scuba Diving magazine provides comprehensive reviews of travel destinations, as well as equipment reviews, tips and free web-based e-mail accounts.
Diving Index - An online scuba diving directory.
Lonely Planet - Provide good guide books, with better diving sections than most of the general guide books.
Scuba Sites - Provides reviews of dive sites by other divers.
UK Dive Trips - 2DIVE4 are a friendly Scuba Diving Centre covering Essex, Hertfordshire and Cambridgeshire teaching PADI courses from introductory through to a professional level. They also offer equipment servicing, dive trips/holidays and a dive club.
South Pacific Organiser - Guidebook writer David Stanley provides mini-guides to South Pacific destinations, island maps, listings of films, music, and books, answers to FAQs, and links to numerous other travel sites relating to the South Pacific.