Baja Underwater Tours - Year-round diving and snorkeling trips in both the Pacific Ocean and the Sea of Cortez. www.baja-cabo.com/tours/tour_underwater.html
Scuba Travel - Baja - Guide to diving in Baja California. www.scubatravel.co.uk/baja
Three Routes Baja California - Comprehensive scuba diving guide, with links, email and contact information for diving throughout Baja. www.3routes.com/scuba/na/mex/baja/index.html