Tenorio National Park 

http://www.acarenaltempisque.org/tenorio.htm

ICT - National Institute of Tourism in Costa Rica

http://www.visitcostarica.com/ict/paginas/home.asp?ididioma=2

News

http://ticotimes.com/ (In english)

http://www.nacion.com/

http://www.aldia.cr/

Maps

http://mapcr.com/

Costa Rica Travel

http://www.costaricajourneys.com

Resorts in Costa Rica

http://www.anamayaresort.com

http://www.costarica-yoga-retreats.com

Surfing 

http://costaricasurfing.org

Ecolodges

http://www.costaricaecolodges.net

Scuba Diving

http://www.costarica-scuba.com