Arabic lighthouse of the 9th century. It is under the protection of the Declaration of the Decree of April 22nd, 1949, and Law 16/1985 on the Spanish Historical Heritage. It is still preserved as a symbol that served as a guide to the navigators of the port of Cartagena. Its tower of circular section, in form of truncated cone, was crowned by a large lantern. Built of ordinary masonry, 10m high, 4.32m in diameter at the base and 2.98m in diameter at the top. It also served as a lookout tower, forming part of the defensive system against Berber invasions.