The Islote de Sancti Petri is a small barren island belonging to the municipality of San Fernando, Cádiz in the province of Cádiz and the autonomous region of Andalusia, Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

. For many years, the island was a restricted military zone, but it is now under the control of the Spanish Environment Ministry.

Castle

The ruins of an eighteenth-century castle remain on the island; the tower of the castle has been substantially rebuilt, and it is now in use as a lighthouse. It was declared Bien de Interés Cultural

Bien de Interés Cultural

A Bien de Interés Cultural is a category of the Spanish heritage register. This category dates from 1985 when it replaced the former heritage category of Monumento nacional in order to extend protection to a wider range of cultural property...

in 1993.

The name, Sancti Petri, also applies to the beach on the mainline, in Chiclana de la Frontera

Chiclana de la Frontera

Chiclana de la Frontera is a town in southwestern Spain, in the province of Cádiz, near the Gulf of Cadiz. The area is a fertile region, with much agriculture, including vineyards...

, directly opposite the island.