The surf's up at Knott's Soak City San Diego the largest water park in the area. Sporting a theme of surf woodies and long boards, this 33 acre water park features 24 water slides and attractions. Knott's Soak City's newest attraction Pacific Spin, takes four-guests on a raft ride that descends through a tube into a giant sized funnel. Coronado Express is the park's popular family inner tube flume ride. Thrill-seekers will find excitement with three 80-foot tall, high-speed body slides. When it's time to relax Knott's Soak City offers plenty of places to soak up the sun both in and out of the water. Hop on an inner tube and float down the Sunset River lazy river raft ride. You can also ride the waves in Balboa Bay, a half-million gallon wave pool.