Visit http://www.waterparktix.com/ today! Get FREE Waterpark Tickets for water parks in Wisconsin Dells WI. Check this out! Wisconsin is home to some of the top indoor and outdoor waterparks in the world. For the free tickets there is a limit of four (4) basic admission tickets per household with a retail value up to $20 per adult ticket depending on the season for standard admissions. Minors must be accompanied by an adult 21 years or older.