Scuba Diving Magazine
gear reviews, expert tips, vacation guides, dive plans

DAN
expert info and advice; accident and trip insurance, 24-hour emergency hotline, physical and dive trainer directories, articles

Cyber Diver News
independent diving-related news, reviews, articles, links

PADI
SCUBA training and travel directory

Dive Travel Association

National Association of Underwater Instructors

Tour Operators:
The Moorings
Newmans South Pacific Vacations
Vacations by Adventure Tours
IslandsEscapes.com
Islands in the Sun
Vallarta Adventures - Puerto Vallerta
Chico's Dive Shop - Puerto Vallarta