Mare Island Halloween Block Party 2026 (Vallejo)
Officer's Row - Walnut Ave | 1015 Walnut Ave, Vallejo CA 94592
Event Details
Get ready for a frightfully fun adventure along the ghostly charm of Walnut Avenue and Officers Row, with entrances near the mysterious Vino Godfather Mansion and Alden Park — now home to some spooky zombie fun!
This Halloween celebration has thrills and chills for every ghoul and goblin in your family:
🧟 NEW this year: Zombie fun has taken over Alden Park — perfect for photos and a little extra Halloween excitement for the whole family.
Little monsters can dive into bone-chilling fun with trick-or-treating, creative pumpkin decorating, and magical face painting transformations.
Four-legged friends are invited to the party! Our “Howl-o-ween” costume contest promises to be pawsitively exciting.
Dance to our haunting playlist while savoring delectable bites from our lineup of food trucks, warming up with creamy hot chocolate, and enjoying a cauldron full of festive drinks.
Show off your most creative costumes, bring your favorite humans (and pets!), and prepare for a monstrously memorable evening at this Halloween spectacular. 🦉
FREE ADMISSION – Just RSVP to secure your spot! All trick-or-treaters ages 13 & under receive a complimentary Halloween goodie bag while supplies last.
Disclaimer: Please double check event information with the event organizer as events can be canceled, details can change after they are added to our calendar, and errors do occur.
Cost: FREE*
