Santu Antine is constructed of huge
basalt blocks. The main tower originally reached a height of and contains three
tholoi chambers on top of each other. The central tower with diameter of is high. It has three floors. The top floor is now gone. Multiple long corridors built with the
corbel arch technique can be observed inside of the Nuraghe, superimposed on two floors. In addition to the towers, the nuraghe featured three wells. The main structure was built around the 19-18th century BC, and the other parts of the nuraghe date back to the 17th–15th century BC. The remains of a Nuragic village lie nearby. == Archaeological and archaeoastronomical studies ==