Cardona Island Light (also known as Faro del Puerto de Ponce or Cayo Cardona Light) is the only 6th order lighthouse in Puerto Rico with a cylindrical attached tower. The light is located on Cardona Island, a small island on the west side of the entrance to the harbor of Ponce, Puerto Rico. It was listed in the U.S. National Register of Historic Places on 22 October 1981.