Harmony of the Seas, one of Royal Caribbean's massive Oasis-class ships, features multiple swimming pools and water attractions to accommodate thousands of guests. There are four main swimming pools located on Deck 15: the Main Pool, the Sports Pool (often used for water volleyball), the Beach Pool (which features a sloped entry), and the more secluded Solarium Pool, which is reserved for adults only. Beyond the standard pools, the ship is famous for the "Perfect Storm" trio of water slides and the Splashaway Bay interactive water park for children. Additionally, the ship features the deep-water AquaTheater pool at the stern, which is used for professional diving and synchronized swimming shows but is not open for public swimming. With ten whirlpools and two FlowRider surf simulators also on board, the ship provides an incredible variety of aquatic options, ensuring that guests can find a spot to cool off regardless of how crowded the ship feels during peak sailing times.