October in Marin County is packed with exciting events for all ages — from pumpkin patches and Halloween festivities to world-class film, music, and fashion showcases. Whether you’re planning a fun weekend with the kids or a night out enjoying the arts, you’ll find plenty of ways to make the most of the season.
Pumpkin Fun at Marin Mart
Date: October 1 – October 31, 2025
Location: Marin Country Mart, 2257 Larkspur Landing CircleLarkspur, CA, 94939
Time: 10:00am – 6:00pm
Celebrate the season with a visit to the Marin Country Mart Pumpkin Patch, where heirloom pumpkins of every size and color are available through an honor-system display. Guests can also join in the fun by guessing the weight of a giant pumpkin for a chance to win.
Mill Valley Film Festival
Date: October 2 – October 12, 2025
Location: Event location and time can be found at the link
Celebrate cinema at the internationally recognized Mill Valley Film Festival, showcasing independent films, premieres, and thought-provoking stories. With red-carpet events and filmmaker Q&As, it’s one of Marin’s most exciting cultural gatherings.
Marin Fashion Night
Date: October 4, 2025
Location: Headlands Center for the Arts, 944 Simmonds Road Sausalito, CA 94965
Time: 5:00pm – 6:00pm
Step into an evening of style and sophistication at Marin Fashion Night. This event blends fashion, art, and music, creating an unforgettable celebration of creativity and culture.
Chamber Music in Full Bloom: Schubert’s Quintet and an Intimate Evening with Marin Symphony
Date: October 4, 2025
Location: Marin Country Club, 500 Country Club Dr, Novato, CA
Time: 7:30pm
Date: October 5, 2025
Location: Mt Tam Methodist Church, 410 Sycamore AveMill Valley, CA
Time: 3:00pm
Experience the rich textures of chamber music with Marin Symphony, featuring Grażyna Bacewicz’s striking Quartet for Four Violins and Schubert’s beloved “Trout” Quintet. The evening concludes with a casual post-concert reception, offering guests the rare chance to mingle with the musicians in a relaxed, elegant setting.
Goblin Jamboree at Bay Area Discovery Museum
Date: October 18 – October 19, 2025
Location: Event location and time can be found at the link
Families can enjoy a festive fall weekend at the Bay Area Discovery Museum’s Goblin Jamboree. From costumes to themed activities, it’s a playful celebration that brings the magic of the season to life for kids and parents alike
Harmony Sweepstakes A Cappella Festival Hits Marin Center
Date: October 18, 2025
Location: Exhibit Hall, 20 Avenue of the Flags, San Rafael, Ca 94903
Time: 8:00pm
Don’t miss the National Finals of the Harmony Sweepstakes A Cappella Festival at Marin Center — a celebration of vocal harmony featuring prize–winning groups from across the country. With celebrity judges and an eager audience on hand, this evening promises captivating performances that resonate long after the final note.
Halloween Magic at Marin Country Mart
Date: October 31, 2025
Location: Exhibit Hall, 20 Avenue of the Flags, San Rafael, Ca 94903
Time: 4:00pm – 7:00pm
Enjoy an evening of family fun at Marin Country Mart, complete with trick-or-treating through local shops, creative seasonal crafts, and temporary tattoos. Cap off the night with a kid’s costume contest followed by a cozy outdoor screening of Monsters, Inc., perfect for all ages.
