They have both a small room in the back but you need more than 11 to reserve it. There is a larger function space upstairs. They would have no trouble accommodating a party of 11 with a reservation.
There is a room in The back, don't know if 11people is enough to reserve... It's a VERY COOL LOOK, kinda Renaissance, BUT musty smell
I don't think they have a small room specifically for a group, however they can definitely accommodate 11 people.
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