Do I get discount at the Alton Towers Waterpark? Yes, you do! To book tickets at the Alton Towers Waterpark with your Merlin Annual Pass discount, click here Related articles How can I purchase Friends and Family tickets? How do I use my Share the Fun Vouchers? What are POP Badges? I have a Merlin Membership, how do I access the payment portal? How do I get a POP Badge?