Isola della Bocca LighthouseIsola della Bocca Lighthouse is an active lighthouse located on a small islet, at the southern entrance of the outer Port of Olbia, from the mainland, in the municipality of Olbia on the Tyrrhenian Sea.DescriptionThe lighthouse was built in 1887 and consists of a masonry quadrangular tower, high, with balcony and lantern atop the seaside of the keeper's house. The tower and the lantern are painted white and the lantern dome in grey metallic. The light is positioned at above sea level and emits one white long flash in a 5 seconds period visible up to a distance of. The lighthouse is completely automated and managed by the Marina Militare with the identification code number 1170 E.F.