Get to know and enjoy the Castillo de San Marcos at the time that best suits your program, and at the pace you want, with our complete audio guide in Spanish or English. With the audio guide you can enjoy a narrated visit to the Castillo de San Marcos throughout the history of the Portuense monument and its influence on the rest of the population: from Puerto Menestheo to Santa María del Puerto, passing through the Islamic Alcanatif. During the visit, the elements belonging to each historical period will also be highlighted, highlighting each of the modifications suffered by the Castle over the centuries.