Royal Caribbean makes popular cruise ship pool adults only originally appeared on TravelHost. Although Royal Caribbean is a family cruise line that has long designed its ships for family vacations, its newest cruise ships have broad appeal and are attracting more young adults than ever.

Royal Caribbean shares fell Tuesday when the cruise line operator issued a worse-than-expected outlook on higher costs for its newest ship.

Upgrades coming to Norwegian’s Great Stirrup Cay are greater than the cruise line first let on, and they’re giving away 250 cruises to the island to celebrate.