You book a reservation, they have a specific check in area for dining only parties. You could wait 5-20 minutes for a guide to the location. During magical dining you were allowed in park after. Otherwise you may have to escorted out of park. They give you a ticket voucher at booking that covers parking costs.
It's inside sea world. You might want to call and ask, but I think you need to get inside the Sea world
It is located inside SeaWorld, so you have to pay to get in I think.
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