The watchtower belonged to the coastal surveillance system of Philip II and was built in 1591, on a previous tower. It protected the city from attacks. According to legend, the beaches and the inhabitants were formerly often attacked by pirates. Thanks to the watchtowers and the use of shells as warning systems could withstand the attacks and even ward. The watchtower Torre de la Horadada is well preserved, it is located right on the harbor, meaning namely “perforated tower”. Through the holes inside the guard could entertain and stay connected. The name of the town Pilar de la Horadada arose because of the many watchtowers with your small hatches. The Torre de la Horadada is private property and even inhabited, it belongs to the descendants of the Earl of Rochester.