Icon of the Seas and Wonder of the Seas are Royal Caribbean's newest and largest cruise ships. I stayed in both of their balcony staterooms — a $130-per-person-per-day difference.

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I stayed in one of the Symphony of the Seas' ocean-view balcony rooms with my husband and daughter. It provided ample storage space despite being just 182 square feet with a 50-square-foot balcony.

Put simply, Royal Caribbean International ‘s Icon of the Seas is a monster. At 365 metres long and weighing approximately 250,000 tonnes, it’s the biggest cruise ship ever built.