EcoTours
http://www.costaricatours.net/
http://www.costarica-ecotourism.com/
http://www.southernexplorations.com/costa.rica.htm actual cruises
http://www.earthfoot.org/cr.htm
http://www.ecotours.com/dest_cr.html
http://www.naturetours.com/costrica.html
http://www.wildplanetadventures.com/content/view/11/30/ packages muy $$
http://www.caravan.com/costa-rica-tour/costaricaecotours.html
http://www.journeysouth.com/ packages 10days
http://www.ecotoursincostarica.com/ecotours/ all from san jose
http://www.crocodilebay.com/ - resort, fishing and tours :) way south of jaco beach


where is La Paz Waterfall Gardens ?
http://www.waterfallgardens.com/

Manuel antonio nat'l park
http://www.manuelantoniopark.com/mapk/default.asp

blog
http://wordpress.com/tag/costa-rica-travel/

surf board rental
http://www.wowsurf.net/