Most closed-loop cruises don't require a passport for U.S. citizens. Popular journeys that don't require a passport for U.S. citizens include closed-loop cruises with ports of call along the Caribbean (Bahamas, Puerto Rico, and the U.S. Virgin Islands), Mexico (Cancun and Cozumel), and Canada.
Does Carnival check passports?
Valid U.S. PassportU.S. citizens may present a valid, unexpired U.S. passport when traveling via air, land, or sea. Carnival highly recommends that all guests travel with a passport valid for at least six months beyond completion of travel.
Do you have to have a passport to go on a cruise Carnival?
Can I use a REAL ID instead of a passport on Carnival cruise?
If you are traveling internationally, you will still need your passport, as REAL ID cards are not an acceptable form of identification for international travel. Sea (cruise) travel: REAL ID cards cannot be used for international sea cruise travel.
Does a real ID get you into The Bahamas?
If you travel to the Bahamas by sea (like a cruise), you can use your passport or substitute one of the following documents: A passport card. A Trusted Traveler card. An enhanced driver's license (sometimes called Real ID) with security features.