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Bolaños Island National Wildlife Refuge, Guanacaste

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Adult Brown Pelicans resting on rocks, Isla Bolanos Wildlife Refuge

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At just 14 hectares, the Isla Bolanos National Wildlife Refuge is one of the smallest protected zones in Costa Rica. Located in the Bahia Salinas near Costa Rica’s border with Nicaragua, this tiny oval shaped island sits 1.5 km off Punta Descartes in the northwest of Guanacaste. A key nesting site for Brown Pelicans and Magnificent Frigatebirds, the Isla Bolanos also has the distinction of playing host to American Oystercatchers that come here every year to nest.

An ideal destination for bird lovers, this biological reserve plays a big role in the conservation of seabird nesting colonies. Formed in 1981, the northern end of the island is inhabited by Brown Pelicans, while in the south, Frigatebirds have made their homes. And with the waters around the island rich in marine life, the Isla Bolanos Wildlife Refuge is the ideal place for seabird to come in search of food. Vegetation is scarce on the island, with mostly frangipani and lancewood growing here.

One of the driest places in Costa Rica, the Isla Bolaños National Wildlife Refuge is open from April to November to visitors. With December through March being breeding months, no visitors are allowed. To visit Isla Bolanos you will need permission from the park service in Santa Rosa or in San Jose. Easily accessible by boat, the best way to get here is to hire a boat from Puerto Soley. A three kilometer ride, you can only view this island offshore as landing here is not allowed.