Other than the beach, the top destination for Galveston visitors is the 242-acre Moody Gardens . Part theme park, part educational and rehabilitative facility, part pleasure garden, Moody Gardens is a vacation all by itself. Schlitterbahn Galveston Island Waterpark features uphill water coasters, water slides, kid’s playgrounds, whitewater rapids, wave pool, hot tubs, plus the Boogie Bahn surf ride. Our newest attraction? The Galveston Island Historic Pleasue Pier!