Get sweet deals on extra family members. The basic Family Season Pass includes 2 Parents + 2 Children (K-12 living in the same household). Additional children are only +$100 or +$200 for a Young Adult (ages 18-23) who is dependent on your income and a COLLEGE STUDENT. Start with the purchase of your basic Family Season Pass on this page and purchase however many more members you need at these ROCK BOTTOM rates! Kids 5 years or under are free. Rates are based on the age of the pass holder as of December 1st, 2021.