Carnival does not publish an official Carnival minor consent form for U.S. sailings. Instead, the cruise line strongly recommends that any adult traveling with a child who is not their own bring an original signed letter from each absent parent or legal guardian, authorizing the adult to travel with the minor. Having that letter ready helps speed processing by the Department of Homeland Security at the port.1Carnival Cruise Line. Minor Guest Policy: Effective February 1, 2025
When You Need a Consent Letter
You need one any time a minor is cruising without one or both parents or legal guardians on board. Common situations: a child sailing with just one parent while the other stays home, a grandparent or aunt taking a grandchild on vacation, or a family friend chaperoning a teenager.
The letter comes from whoever is not on the ship. If one parent is traveling and the other is not, the non-traveling parent signs. If both parents are staying home and a relative is bringing the child, both parents should sign.
What to Put in the Letter
Because Carnival does not provide a template for U.S. sailings, you draft the letter yourself. A strong letter answers every question a Homeland Security officer or port agent might ask. Include:
- The minor’s full legal name and date of birth, spelled exactly as they appear on the child’s passport or birth certificate.
- The names of the absent parent or parents (or legal guardians) giving consent.
- The name of the accompanying adult and their relationship to the child, for example “grandmother” or “family friend.”
- Cruise details: ship name, sailing date, and itinerary.
- A clear statement of consent, such as “I authorize [adult’s name] to travel with and make decisions on behalf of [child’s name] for the duration of this cruise.”
- A phone number where the absent parent can be reached during the voyage.
- The signature and date of each absent parent or guardian.
Match names to official identification exactly. A letter that says “Mike” when the passport says “Michael” creates avoidable friction at check-in.
Should You Have It Notarized
Carnival’s own language asks for “an original signed letter” and does not explicitly require notarization.1Carnival Cruise Line. Minor Guest Policy: Effective February 1, 2025 Notarize it anyway. U.S. Customs and Border Protection notes that some destination countries require notarized consent letters for children arriving without both parents.2U.S. Customs and Border Protection. Children Traveling to Another Country Without Their Parents Since most Carnival itineraries stop at a foreign port, a notarized letter covers you wherever the ship docks.
To notarize, the absent parent signs in front of a commissioned notary public, who verifies the signer’s identity with a government-issued photo ID and then stamps and signs the document. Banks, shipping stores, and mobile notary services handle this for a small fee, typically under $15 per signature. Do it well before sailing day. You do not want to be hunting for a notary the morning of the cruise.
The State Department separately recommends carrying evidence of your legal relationship to any child you travel with internationally, such as a copy of the birth certificate.3U.S. Department of State. Travel with Minors One well-drafted notarized letter, packed with a birth certificate copy, generally satisfies Carnival, CBP, and the destination country in a single stack of paper.
When There Is No Second Parent to Sign
If a second parent with legal claims to the child does not exist, a letter from that person is impossible, and Carnival says to bring documentation of the situation instead.1Carnival Cruise Line. Minor Guest Policy: Effective February 1, 2025 Acceptable substitutes include:
- A court order granting sole legal custody.
- A death certificate for a deceased parent.
- A birth certificate that names only one parent.
Bring originals or certified copies rather than plain photocopies. Port authorities accept official-looking documents with much less scrutiny.
What to Bring to the Port
Keep every minor-related document in your carry-on, not in the luggage that disappears to the cabin. At check-in, staff may ask for any combination of the following:
- The signed, ideally notarized, consent letter from each absent parent or guardian.
- The child’s passport. It is required for most itineraries that visit foreign ports. Closed-loop cruises that depart from and return to the same U.S. port may accept a birth certificate, but a passport is always the safer choice.
- The child’s birth certificate, useful as a backup for establishing the legal relationship between the minor and the accompanying adult.
- Any court order or custody paperwork relevant to more complicated family situations.
Cruise ports also operate under security measures aligned with international child-abduction prevention efforts.4USAGov. International Travel Documents for Children Organized paperwork turns check-in into minutes at the desk rather than a supervisor escalation.
The Letter Is Recommended; Age Rules Are Not
Carnival’s policy calls the consent letter “strongly recommended,” not an absolute condition of boarding. What does trigger mandatory denied boarding with no refund is violating Carnival’s separate age policy: guests must be at least 21 to sail independently, and anyone 20 or younger must travel with a relative or guardian who is at least 25. Parents ages 21 to 24 may travel with their own minor children. Narrow exceptions exist for legally married 18-to-20-year-olds and for qualifying U.S. military and Canadian National Defence members, both requiring documentation at the port.1Carnival Cruise Line. Minor Guest Policy: Effective February 1, 2025
That distinction is not a reason to skip the letter. DHS officers have broad discretion at the port, and an adult arriving with a child who is not theirs and no written authorization invites exactly the kind of questioning that turns a short line into a long one. The letter costs a few minutes of writing and a small notary fee. Bring it.