Madaidaicin rubutun sunan tsibirin shine "Puerto Rico."Puerto Rico yanki ne na Amurka da ke arewa maso gabashin Tekun Caribbean. Sunan "Puerto Rico" shine Mutanen Espanya don "tashar ruwa mai wadata," yana nuna rawar tarihi na tsibirin a matsayin tashar tashar jiragen ruwa na Daular Spain. Christopher Columbus ne ya gano tsibirin a shekara ta 1493, daga baya kuma Turawan Spain suka yi masa mulkin mallaka. Ya zama yanki na Amurka a cikin 1898 bayan yakin Mutanen Espanya da Amurka.