Big Kahuna's Water Parks are owned and operated by Apx Operating Company. Big Kahuna's in West Berlin, NJ is a year-round water park with over 70,000 square feet of attractions under a retractable roof. Guests visiting Memorial Day-Labor Day will also be able to enjoy the attached outdoor water park. Conveniently located between New York and D.C., and approximately 25 minutes from Philadelphia. Big Kahuna's in Destin, Florida is the largest water park on the Emerald Coast with over 40 water slides and attractions.