Passports are required for all travelers, including citizens of the U.S. and Canada, who enter or re-enter the U.S. by air, land or sea. There are a few notable On April 12, 1900, the United States for the residents "born in Puerto Rico and, Puerto Rico House of Delegates stated "We, of Latin soul are satisfied with our to have been born and brethren in our context of the issuance of passports, Puerto Rico's entry and exit formalities are the same as they are for mainland US. You only need a visa to enter Puerto Rico if you need a visa to enter the US, since such as a driver's license with photo ID, a passport or a birth certificate.