The castle features a distinct internal courtyard that retains original 12th-century mosque masonry.
Christopher Columbus was a guest at this castle in the late 15th century while scouting support for his trans-Atlantic expedition.
The structure served as a defensive military fortification before transitioning into a private winery complex.
The onsite wine cellar currently houses thousands of barrels used for aging Jerez wines and brandy.
It features a 'qibla' wall, a rare surviving remnant of the original Islamic prayer site.
The building's construction was commissioned by Alfonso X the Wise, the King of Castile, in the 1260s.
The castle walls incorporate stone taken from even older Roman ruins found in the region.
It is one of the few historical castles in Spain still operating as an active production facility for fortified wines.
Castillo de San Marcos is a 13th-century fortification originally constructed on the remains of a former Islamic mosque. The structure features a unique blend of Almohad architecture and subsequent Christian modifications, including towers and battlements. It currently functions as a working wine cellar operated by the Caballero family, producers of Lustau sherries and brandies. The castle grounds include a courtyard protected by high stone walls and narrow defensive apertures. Its history includes a significant visit from Christopher Columbus, who sought funding from the Duke of Medinaceli here prior to his voyage to the Americas. The interior layout retains original features like the mosque's qibla wall and ancient arches now repurposed for aging spirits.
The central courtyard, framed by the ancient stone arches and climbing greenery.
Book a guided tour in advance to ensure entry into the restricted cellar areas.
Check the official website for seasonal tour availability, as operations can shift based on winery production cycles.
Allocate time to explore the Plaza Alfonso X el Sabio surrounding the castle for local dining options.
Do not attempt to enter the private cellar storage areas without an authorized guide, as these are active work zones.
Guided tours are subject to seasonal changes and private events; verification on the official website is required prior to arrival.
Maintain a respectful tone during guided tours and avoid touching wine barrels or historical masonry.
