Caño Island, Biological reserve in Bahía Drake, Costa Rica
Caño Island is a small island and biological reserve in Bahía Drake, Costa Rica. It rises 123 meters above sea level and is surrounded by a marine area of 52 square kilometers, with beaches, coral beds, and diverse marine life.
Caño Island was declared a biological reserve in 1976. Since then, it has become a site for research on coral death and recolonization.
The island is part of the Osa Peninsula's identity, and local boat operators often share stories about its marine life. Visitors can see how the reserve balances tourism with research and conservation.
The island is reached by boat from Bahía Drake, and trips usually involve a guide. Visitors should bring sun protection and water, as facilities are limited.
The discovery of the nudibranch Mexichromis tica in 2004 links the island to the Galápagos Islands. Pre-colonial stone spheres have also been found here, despite the island's limited land fauna.
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