Pago Pago Harbor is the port of entry for vessels arriving in American Samoa. Many cruise boats and ships land at Pago Pago Harbor for reprovision reasons, such as to restock on goods and to utilize American-trained medical personnel. Pago Pago Harbor is one of the world's largest natural harbors. It has been named one of the best deepwater harbors in the South Pacific Ocean, or one of the best in the world as a whole.