Websites:

Costa Rica Vacation Experts, by 2costarica.com

Costa Rica vacations, hotels, and travel information - www.govisitcostarica.com
Premier Costa Rica vacation and travel planning site where you can find detailed hotel descriptions with photos, make hotel reservations, find maps, and view destination information.

Costa Rica Travelinfo - www.vacationcity.com

AnywhereCostaRica - Quepos

AnywhereCostaRica - Manuel Antonio

Newspapers:

La Nacion (most important mewspaper in Costa Rica...in Spanish)

Tico Times (biggest independent weekly covering Costa Rica & Centeral America...in English)

Information

AllCostaRica (gives you "inside" information)

CityNet (Discount Airfares)

Infoweb (information in spanish)

ICT (official Costa Rican Tourism Ministry site)

TravelNet (everything you need to know about your Costa Rican vacation)

Quepos/Manuel Antonio

Biesanz (more information about Quepos & Manuel Antonio)

Recommended Costa Rican Hotels

Ave del Paraiso (a quiet place close to University of Costa Rica)

Pico Blanco (why stay in San Jose when you could be in the beautiful mountains of Excazu)

Sportsfishing

Spanish Language Schools

Forester Institute (learn Spanish in Costa Rica)