Yacimiento de Doña Blanca Historical milestone · El Puerto de Santa María, Bahía de Cádiz, Cádiz A Phoenician settlement from the 9th-8th centuries BC located within the municipal term of El Puerto de Santa María, one of the most important pieces of evidence of Phoenician colonization of the Bay of Cádiz. Photo: Axel Cotón Gutiérrez (CC BY-SA 4.0) What to see and do in El Puerto de Santa María