Isolotto della Maddalena LighthouseIsolotto della Maddalena Lighthouse is an active lighthouse located on a small islet, long, placed north of the south mole of the Port of Alghero on the Sea of Sardinia.DescriptionThe lighthouse was built in 1940 and consists of a concrete cylindrical tower, high, with balcony and lantern; the tower is painted in red, the balcony and the lantern in white and the lantern dome in grey metallic. The light is positioned at above sea level and emits one red flash in a 5 seconds period visible up to a distance of. The lighthouse is completely automated, powered by a solar unit, and managed by the Marina Militare with the identification code number 1415 E.F.