Victory Casino Cruises All rights reserved; Press · Legal · Privacy · Employment · Monthly Calendar · Responsible Gaming · Prohibited Items/Dress Code. Carnival's age of gambling is 18 years old. I know for sure, because we juct got back from the Liberty 7/7/7 cruise. We went specifically for my. Infants sailing on a cruise must be at least 6 months old as of the first day of the Royal Caribbean International's age policy for gambling and consumption of.