The Sonoma-Marin Fair returns to the Petaluma Fairgrounds June 21 – 25, 2023 with a medieval theme that will engage kids and families throughout the fair.  Tickets are on sale now and are all-inclusive “pay one price” carnival included. Pre-sale tickets cost $22 for adults, $15 for kids and seniors, and little ones under 4 years old are free. Wednesday, June 21 admission is only $18 all-inclusive for all ages.