Ship Review: Worldâ€™s largest cruise ship, Allure of the Seas makes her debut You can really tell the size of Allure of the Seas when you're on the pool deck. Central Park area runs down the middle of the ship. Photos by Matt Roseboom Royal Caribbean’s newest ship has launched. The Allure of the Seas is being dubbed an “Entertainment Ship”. There are so many things to do onboard, it’s hard to know where to start. Click Here to read the full review.