Liberty of the Seas has extensive sports facilities including the FlowRider onboard wave generator for surfing, an interactive water play area for children, a full-sized volleyball / basketball court, an ice skating rink, and a large fitness center. There are also two whirlpools that are cantilevered and project out from the sides of the ship to provide unimpeded views of the sea below and a modular conference center for business meetings. Among other dining facilities there is a three level formal dining room.[13]