Antigua estación de ferrocarril de San Juan del Puerto Monument · San Juan del Puerto, Comarca Metropolitana de Huelva, Huelva Neo-Mudéjar-style building linked to the Seville–Huelva line, opened in 1880, and to the mining branch line that arrived from El Buitrón between 1867 and 1870. 1880 Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in San Juan del Puerto