Wrigley’s Chicago Bar & Grill’s Banquet Room is FREE of charge and is perfect for company meetings, birthday parties, retirement parties, rehearsal dinners, Christmas parties, retirement parties, graduations – ANY PARTY! For our Christmas parties, the banquet room is decorated from head to toe with Christmas trees and a wood burning fire place to give your party that warm and cozy holiday feeling. There is no room rental fee, setup fee or cleanup fee! We can accommodate parties of up to 100 people.