The Mad Hatter's July 4th Waterfront Festival will mark its 12th year on Saturday, July 4th, 2026, at the Barbara Kondylis Waterfront Park in Vallejo, California. The event, produced by Hyperion Community Partners LLC in partnership with the City of Vallejo, is expected to draw thousands of attendees for a day of food, recreation, and entertainment that culminates in a night market and a lighted sky show celebrating the 250th anniversary of Independence Day.
From daybreak to sundown, the festival offers a range of activities including the popular Annual Maritime Dog Parade, interactive exhibits with the Wholly Wackers (sheep), rescued reptiles, a Kids Zone, Giant Kites, Classic Cars, cultural performances, and live music. Attendees can browse an array of peddlers and merchants, including makers, food trucks, and wellness vendors, while enjoying views of Mare Island's historic ships.
As evening falls, the festival transforms into a family-friendly Night Market featuring an international food court, shopping, and live entertainment. The night concludes with a Lighted Sky Show and a Grand Finale fireworks display. According to the event's organizers, the festival provides a unique waterfront experience that blends community celebration with patriotic commemoration.
Hyperion Community Partners LLC also produces the Mad Hatter Holiday Festival, Parade & Tree Lighting on the first Saturday of December each year. More information about the July 4th event and other activities can be found on the festival's website at HatterVallejo.com and on Facebook at facebook.com/MadHatterHolidayVallejo. A video produced by WhatSF, a weekly television program that aired in San Francisco, highlights past festivals and has garnered over 100,000 views on YouTube: https://www.youtube.com/watch?v=jN6MhLHYFrI.
The festival underscores Vallejo's role as a community hub for holiday and patriotic events, drawing visitors from across the region. By integrating local businesses, cultural performances, and family activities, the event aims to foster community spirit while providing an accessible, entertaining experience for all ages.


