Can you just show up and purchase tickets, or have to pay in advance online?

You can show up. My boyfriend and I purchased tickets in person.

Hi Cedric, You can purchase tickets online here https://epicwaters.centeredgeonline.com/areas/areas or at the door. We always recommend purchasing tickets online to guarantee admission at the door in case we reach capacity.

Yes you can buy at the front entrance by the gift shop

Yes you can purchase tickets up front, but it is best to reserve online to save you a spot. It is only running 75% due to the pandemic or covet