Mighty Rivers Eco-farm
- Offers lodging at a family farm which produces gourmet ice cream. Information about the animals and natural feeding methods, and area tours of the Caribbean coast.
- http://www.mightyrivers.net/

Costa Rican Amphibian Research Center
- Biological research center dedicated to the conservation of Neotropical frogs and amphibians. Includes research and projects, a laboratory, a forest cabin for visitors, and nature guide services. Siquirres.
- http://www.cramphibian.com/

Bosque Lluvioso
- Rainforest preserve and research station in Guapiles, Limon. Includes information on the organization, board of directors, membership and donations.
- http://www.bosque-u.com/

Talamanca Discovery
- A grassroots page devoted to eco-oriented small businesses, lodges, tours, adventures, and information.
- http://www.greencoast.com/