Cocos Island is an island in the Pacific Ocean administered by Costa Rica, approximately 550 km southwest of the Costa Rican mainland. It constitutes the 11th of the 15 districts of Puntarenas Canton of the Province of Puntarenas. With an area of approximately 23.85 km2 (9.21 sq mi), the island is more or less rectangular in shape. It is the southernmost point of geopolitical North America if non-continental islands are included, and the only landmass above water on the Cocos tectonic plate.

Buried treasure is a literary trope commonly associated with depictions of pirates, alongside Vikings, criminals, and Old West outlaws. According to popular conception, these people often buried their stolen fortunes in remote places, intending to return to them later.