Do you have to buy the tickets online or can you buy them when you get there.

Yes you can buy them online. If you buy the tickets there, its ususally a long line.

The only button when I got there, so I don't know anything about the online

Either way

You can buy them when you get there.

Either or

Use Groupon or living social if it's just once

The season passes are a good price.

U can buy them online or when u get there