Isla de San Diego (25°11'N., 110°42'W.) lies about 5.5 miles N of the N extremity of Isla San Jose. A light is shown from a framework tower, 9m high, standing on this island. A reef, on which the sea usually breaks, extends up to about 0.8 mile seaward from the SW extremity of the island and a rock, awash, lies at its outer end. A shoal, with a depth of 5.5m, is reported to lie about 0.5 mile SW of the outer end of the reef.

Location