The Sonoma-Marin Fairgrounds and Events Center is home to the annual Sonoma-Marin Fair each June. We're also host to numerous private events, ranging in size from 50 - 1,000 and home to many of our communities gems. Events like the Petaluma Music Festival, Lagunitas Beer Circus, the annual RIP City Riders Fundraiser and many, many more! Let us host your next event!