Caja de Muertos Light, (Faro de la Isla de Caja de Muertos) is an 1887 lighthouse in Ponce, Puerto Rico, that is unique amongst all other lighthouses in Puerto Rico for its unusual Cross of Lorraine, double-arm, T-type shape structure. The historic lighthouse is located in Caja de Muertos, an uninhabited island off the coast of Ponce, Puerto Rico. The light stands at the highest point of the island.