San Juan del Puerto, established in the XV century of duke Medina Sidonia, from here merchandise was shipped into the whole world. San Juan del Puerto stood with it in competition with the harbor Moguer and Palos. At the beginning, there was only the small harbor where fruits and wines were stowed on ships. The harbor later was widened and was turned over merchandise like grains, corn, olives and cotton it there. In the further development of this place, also industry settled, like for example the paper industry. However, this place not always carried the name San Juan del Puerto.

Only in the year 1468, Juan Alonso de Guzmán awarded the small little port the final name. Until this time, he was called San Juan and San Juan del Camino. To the many sights is fitting among other things the church of San Juan Bautista, built in the late Mudejar- style, in which there are pictures by San Juan to the XIX to view century. Sights are the Cristo de la Misericordia built in the baroque style of Juan de Oviedo, or the house Consistorial, the railway station building Buitrón, from the XIX - century and beginning of the XX - century, they to visit it rewards.