What is the drinking age on international waters?

The drinking age on all U.S.-based cruise lines is 21 -- even when sailing international waters. (Under special circumstances, some cruise lines allow 18- to 20-year-olds to purchase and consume alcohol with a parent's consent.) Regardless of the policy, you should never buy a drink for someone under 21.



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If you're under 21, U.S. carriers are a no-drinking zone As a U.S.-registered carrier, the drinking age is 21, a spokesperson for American Airlines confirmed to TPG in an email. Said Delta: Delta uses the age of 21 as the threshold to serve customers alcohol on all flights.

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Travelers under the age of 18 must travel with an adult over the age of 18. Children under the age of 16 must have a passenger who is 16 or older share their cabin. Minimum age to leave a P&O ship on your own: Guests must be 17 or older to go on a ship-sponsored shore excursion on their own.

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The minimum age to consume alcohol on Royal Caribbean International ships on sailings from South America, Europe, Asia, Australia and New Zealand is eighteen (18). The minimum age to consume alcohol at all private destinations remains twenty-one (21) without regard to where the sailing originated.

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A few lines have meet-and-greets for young adults to meet other cruisers their age, but it's assumed that passengers age 18+ will just participate in the regular cruise activities: hanging out by the pool, joining in dance classes or trivia games, playing ball on the sports court, etc.

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