Fuerte de San Felipe Bacalar (San Felipe Fort) is an 18th-century stone fort built by the Spaniards using stones from the nearby Mayan pyramids. It was constructed as a haven against pirates and marauding Indians, though during the War of the Castes it was a Mayan stronghold. Today the monolithic structure, which overlooks the enormous Laguna de Bacalar, houses government offices and a museum with exhibits on local history (ask for someone to bring a key if museum doors are locked).
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