Fodor's Expert Review Castillo San Sebastián de la Cruz

Across the estuary from the Fuerte de Niebla is this large and well-preserved fort from 1645. In the January through February summer season, historic reenactments of Spanish military maneuvers take place daily at 4 and 6. To get there, you need to rent a small boat, which costs only about 1,000 pesos at the marina near Fuerte de Niebla.