Good General Information on Puerto Rico:

• A commercial site, rich with details: http://Escape.toPuertoRico.com/
• Professor Peter Johnson's Trip (Illinois Institute of Technology) around Puerto Rico. Great Photos. Follow him on his adventure vacation! http://www.iit.edu/~PR/pr.html
• Ken Cook documents his travels around Puerto Rico. He shows you that there is fun to be had outside of big resorts. http://www.fortunecity.com/oasis/vegas/779/index.htm

Info on Scuba and Water Sports

• A full service suba site: http://www.scubaduba.com
• A list of Scuba Diving Centers in Puerto Rico: http://www.3routes.com/scuba/ca/pr/index.html
• A list of Scuba Diving Centers in Puerto Rico: http://www.scubayellowpages.com/landbased/caribbean/puertorico.htm
• Deep Sea Fishing and Snorkeling Trips from Palmas Del Mar Resort: http://www.maragatacharters.com

El Yunque Rain Forest Info:

• An information packed site from gorp.com: http://www.gorp.com/gorp/resource/US_National_Forest/pr_carib.HTM
• Lots of information on El Yunque and other activities in the Northeast section of Puerto Rico: http://www.rainforestsafari.com/