Technological advances after World War II in the development of the airliner, coupled with the island's climate and natural setting, have transformed San Juan into the springboard for tourism around the island, and has made the rest of the Caribbean known throughout the world during the last fifty years.
Avances tecnolóxicos tras a Segunda Guerra Mundial no desenvolvemento do avión, xunto co clima da illa e contorno natural, transformaron San Xoán no trampolín para o turismo en torno a illa, e fixo ó resto do Caribe coñecida en todo o mundo durante os últimos 50 anos.