On arrival day, do I have to check-in before I go to the parks?

On arrival day, do I have to check-in before I go to the parks? Sometimes, but you don't have to do it in person! It is not unusual for people to want to hit the parks as soon as they arrive. However, to do that, you'll need to make sure your tickets (and dining plan if applicable) is ready to go and activated. SO, here is what you'll need to do: