Smeaton's Tower stood were becoming eroded. Each time a large wave hit, the lighthouse shook from side to side. Smeaton's Tower ceased operation in 1879 with the illumination of Douglass's Tower on an adjacent rock. In 1882 the upper part of Smeaton's Tower was dismantled and rebuilt as a memorial to Smeaton on a new base on Plymouth Hoe, replacing the triangular obelisk that had been built there by Trinity House as a navigation aid in the early 19th century. It was opened to the public by the Mayor of Plymouth on 24 September 1884. The foundation and stub of the old
Torre Grande Lighthouse a keeper's house. The tower is unpainted stone and the lantern is placed inside a room and shown thorough a bay window. 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 light is completely automated and managed by the Marina Militare with the identification code number 1394 E.F.; the building is managed by the City of Oristano which transformed it into the Museum of Coastal Towers. Torre Grande Lighthouse Torre Grande Lighthouse () is an active lighthouse located atop a coastal tower on