U.S. News Insider Tip: Both ships offer free registration for Adventure Ocean ... Multi Button Enhancement : Travel - Star of the Seas vs. Icon of the Seas - GoToSea links ...

If you're trying to choose between Utopia of the Seas and Icon of the Seas for your next Royal Caribbean cruise, good luck. These two megaships are the line's newest, biggest floating playgrounds.

Both ships feature a similar eight-neighborhood layout, but along with Surfside, other new additions to Icon such as the AquaDome and the adults-only Hideaway didn’t make their way onto Utopia.