Fort Santo António of Tavira, also known as Rato Fort or Lebres Island Fort, is located east of the Quatro Águas site, at the mouth of the Gilão River, next to the bar of the city of Tavira, in the District of Faro, in Portugal.
It is marked as a Property of Public Interest since 1983.
Wikipedia https://en.wikipedia.org/wiki/Fort_Santo_António_(Tavira)
Address (Unnamed Road), 8800, Portugal
Coordinates 37°7'17.347" N -7°37'16.904" E