Festival de Mariposas del Área de la Bahía

The Monarch Milkweed Project, Inc., Vallejo People’s Garden, and the Solano Resource Conservation District are hosting the 2nd Annual Bay Area Butterfly Festival on June 1st, 2025, from 10 am to 5 pm, at the Coal Shed Brewery Promenade on Mare Island, 860 Nimitz Avenue, Vallejo.

This is a family-friendly community festival! Children’s FREE games and hands-on activities will entertain young ones throughout the day. Artisans and small businesses will sell their art, wares, and many fantastic sustainable goods. Community groups will lead pop-up workshops on a wide range of exciting topics, including how to turn your lawn into a pollinator garden, how to start a vegetable garden, and how to install your own Monarch waystation! Food vendors and food trucks will offer a variety of cuisines, including vegan and gluten-free options. Wine and beer will be available, and a variety of booths will provide an array of tasty non-alcoholic beverages.

This is a fun and exciting opportunity for people of all ages to enjoy this beautiful niche of Solano County!
Join us and experience the view of the Carquinez Strait from the promenade on Mare Island.
This unique venue allows for easy access and lots of parking! This low to no waste festival will also highlight the importance of sustainability near the historic Monarch Butterfly over-wintering site on Mare Island.