If an adult purchases a drinks package, are underage guests required ‎to do the same thing as well?‎

Yes, the Minors Package must be purchased for all underage guests travelling with adults who purchase a beverage package. Applicable for minors aged 3-17 on European itineraries and 3-12 on North American and Caribbean itineraries (Alcohol-free package available for minors 13-20 years old).