The weddings, set for 10 a.m. to 5 p.m., will be performed by Unity's ministers and state Assemblyman Mark Leno, a state Senate candidate.
There will be a reception for the newlyweds in Unity Hall along with champagne and appetizers. Couples will receive coupons for 20 percent off at nearby Hamilton Cafe.
To book a ceremony, call Joshua Holmes at Unity In Marin at 883-0846 or go online at www.unityinmarin.org/wedfreenov1.
Ceremonies will be scheduled hourly in the Chapel and Courtyard. Reservations will be taken on a first come, first served basis.