World?s Largest and Most Revolutionary Cruise Ship Oasis of the Seas introduces unique industry ?firsts? including a neighborhood concept ? seven themed areas providing guests with the opportunity to seek out relevant experiences based on their personal style, preference or mood. Within these seven neighborhoods ? Central Park, Boardwalk, the Royal Promenade, Pool and Sports Zone, Vitality at Sea Spa and Fitness Center, Entertainment Place and Youth Zone ? are extraordinary elements such as the first park at sea, a thrilling zip line that races diagonally nine-decks above an open-air atrium, an original handcrafted carousel, 28 multilevel urban-style loft suites boasting floor-to-ceiling windows, an aquatic amphitheater ? called the AquaTheater that serves as a pool by day and a dazzling ocean front theater by night; and an array of epicurean innovations that allow for new culinary experiences each day of a guest?s cruise vacation.