Centuries-old ‘pirate’ shipwrecks in Costa Rica identified as 1710 Danish slave ships Two previously long-misidentified shipwrecks off Costa Rica’s southern coast have at last been conclusively determined to be 18th-century Danish slave ships, rewriting one chapter in local and Danish maritime history. For decades, the wrecks—resting in shallow water near Cahuita National Park—were thought to be pirate ships. But new scientific analyses by a Danish-Costa Rican research team reveal that the ships did indeed exist as Fridericus Quartus and Christianus Quintus, Danish West India Company vessels that sank in 1710 on a troubled transatlantic slave voyage... More information: https://archaeologymag.com/2025/05/pirate-shipwrecks-identified-as-danish-slave-ships/