Yep. We did as did others on the boat.
Yes, you can. They said you are welcome to bring your own cooler with alcoholic beverages.
My recollection is no. Use a thermos or water bottle and be discreet and responsible and you should be fine like most of the others on my tour were. The tour operators aren't ATF officers...
We did and so did other groups.
Thanks! Your answer is awaiting moderation.