June 14, 2026: Open Mare Island, Self-Guided Walking Tour
Open Mare Island — Self-Guided Tours
Explore Mare Island at your own pace!
Join us for Open Mare Island, a special self-guided tour event hosted by the Mare Island Historic Park Foundation. Wander through the island’s historic district, discover hidden gems, and learn the stories behind one of California’s most fascinating naval sites.
Time: 12:00 PM – 2:00 PM
Starting Point / Check-In: The Quarters Coffee House 1015 Walnut Ave, Vallejo, CA
Upon arrival, all guests must check in to receive: Your self-guided tour map. A coffee coupon (while supplies last).
