Yes just contact them upon arrival
I would think so but I'm not sure
Yes
Yes shuttle is offered, I have seen a few Hotels in the area end this service so I would call to confirm.
I've known them to have a regular shuttle schedule but I'm not sure about the night hours.
It depends on what hotel you're staying at. I'm not sure about Ameristar. I would call them
Ameristar has a free shuttle
Thanks! Your answer is awaiting moderation.