Can you pay at the door using debit/credit cards ? Or do they only take cash?

You can pay with your debit/credit card.

Yes you can use cards. But for the drinks and stuff you have to do a $10 minimum.

Cards and cash

They take cash or cards

They take cards

Is it cheaper buying the tickets online or its the same price?

They take cash only, but there's an mac machine.. I would buy the tickets on line to avoid the long lines.