Passport required.
Document Validity:
Passports and other documents accepted for entry must be valid on arrival.
Warning: if departing from the USA (regardless of any destination passport exemptions), a valid passport and/or accepted departure document is required by the US immigration authorities.
Minors:
Minors younger than 18 years traveling to Antigua and Barbuda:
a. unaccompanied: must have a written consent letter from the parent(s)/legal guardian(s) in addition to the Unaccompanied Minor Form issued by the airline. The letter/Form must identify an authorized adult who will receive the child on arrival and must have the contact details of this person.
b. with an adult other than a parent/legal guardian: must have a written notarized letter from the parent(s)/legal guardian(s). The letter must identify the accompanying adult and must have the address and telephone number of this said person as well as indicate the duration of stay and the purpose of the trip. The letter should also identify an authorized adult, who will receive the child on arrival if different than the accompanying person, and must have the address and telephone number of this adult.