The passport requirements for the Caribbean fall under the Western Hemisphere Travel Initiative, which considers the following as the Caribbean region: Anguilla, Antigua, Barbuda, Aruba, Bahamas, British Virgin Islands, Cayman Islands, Dominica, Dominican Republic, Grenada, Jamaica, Montserrat, Netherlands Antilles, St. Kitts, St. Lucia, St. Vincent, and Turks and Caicos.
When traveling by air to the Caribbean, U.S. citizens are required to show a valid passport book or other valid travel documents to re-enter the United States.
Land and Sea Travel
When traveling to the Caribbean by land or sea, U.S. citizens are required to show a valid passport book, passport card or other valid travel documents to re-enter the United States. The passport card is only valid for land and sea travel between the U.S., Canada, Mexico, the Caribbean region and Bermuda.
Valid Travel Documents
Travelers can show the following to officials as valid documentation to re-enter the United States when traveling by land or sea from the Caribbean region: trusted traveler cards, state-issued enhanced driver's license, enhanced tribal cards, U.S. military identification with military travel orders, U.S. Merchant Marine document when traveling in conjunction with official maritime business, Native American tribal photo identification card and a Form I-872 American Indian card.
Children under the age of 16 who are traveling between the land and sea borders of the U.S. and the Caribbean are allowed to present only a U.S. birth certificate. The birth certificate can be either the original or a copy.