José María Figueres Olsen
- Information about the former President of Costa Rica (1994-1998). Includes a biography, philosophy and publications, and news of current activities.
- http://www.josemariafigueres.org/

Air Force of Costa Rica (Servicio de Vigilancia Aérea)
- Order of battle including photos, squadron badges, maps of airfields, satellite pictures, squadron overview, and aircraft database.
- http://www.scramble.nl/cr.htm

Correos de Costa Rica
- Formerly National Communications Board (CORTEL). Offers mail, courier, and money transfer services. Also gives history of organization and philatelic information. [English/Spanish]
- http://www.correos.go.cr/

A Guide to Legal Research in Costa Rica
- Describes government structure and list primary and secondary sources for legal information.
- http://www.llrx.com/features/costarica.htm