The 7-acre Oasis Water Park is the main draw for families at the sprawling Arizona Grand Resort. This water wonderland, voted a top 10 water park by Travel Channel, boasts an eight-story tower with three water slides, large wave pool and lazy river for relaxed tubing. Family Travel Tips: The Arizona Grand Resort is located just 6 miles and sits at the base of South Mountain Preserve. The guest rooms at this all-suite resort comfortably sleep four. The water park, open to resort guests only, is open mid-February through October. Guests must be 48 inches to slide. Grand Adventures, the resort's kids club, is open daily March through September and geared for kids aged 5-12. Participation is limited to 24 children; it's a good idea to book in advance.