Cruise lines' private islands are having a renaissance. These are the 3 reasons they need it now more than ever before.

Tech Insider : Travel
Two Royal Caribbean cruise ships at Perfect Day at CocoCay
Travelers love cruise line-run private islands. Good news for the companies: These private destinations are becoming increasingly important.

Brittany Chang/Business Insider

I got a peek at the new adults-only area at Royal Caribbean's Perfect Day at CocoCay. I'm sure it'll become a smash hit on the $350 million private island.

Tech Insider : Travel
Royal Caribbean Perfect Day at CocoCay's Hideaway Beach's with guests lounging under umbrellas
Royal Caribbean launched Hideaway Beach, the new adult-only section of its private island, Perfect Day at CocoCay, in January.

Brittany Chang/Business Insider

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