Yes
Depending on the day/ time walk in is possible
Yes! You will have to wait, typically an hour, but they have a side bar that serves fresh Oysters and Champagne. I actually love going early and waiting!
They take walk-ins, yes, but you'll wait depending on the time. Right at 5 you're probably ok, plus they have the side bar outside to sit while you wait.
Yes, you might just have to wait for 1 to 2 hours.
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