How do I purchase a ticket for the Water Park only? In order to visit the Water Park, you must purchase a LEGOLAND combination ticket that would include both attractions. Was this article helpful? Related articles How much is admission to LEGOLAND Water Park? Can I purchase a ticket for LEGOLAND Water Park admission only? Where can I buy tickets for the Water Park? Is it possible that any of the attractions inside the Water Park can be closed on any given day? Can I take a backpack into LEGOLAND?