On Saturday, June 27, 2026, the Oceanside Chamber of Commerce, in partnership with County Supervisor Jim Desmond, will host the Oceanside USA 250 Festival—a community festival honoring America’s 250th birthday at the Junior Seau Pier Amphitheater. Held immediately following Oceanside’s Annual Independence Parade, the festival is expected to draw thousands of residents and visitors downtown for an afternoon of live music, local food and beverage vendors, family activities, and community exhibits that showcase Oceanside’s pride and patriotic spirit.
As one of Southern California’s most diverse and patriotic coastal communities, Oceanside is the perfect place to mark this historic milestone. The USA 250 Festival will bring together families, local businesses, civic leaders, military personnel, and visitors for a unifying day of recognition, entertainment, and community connection.
This event builds on the Chamber’s long record of delivering successful large-scale community gatherings. With more than 22 years of hosting Operation Appreciation—welcoming thousands of military families annually—the Chamber has the experience, partnerships, and community support needed to produce an unforgettable USA 250 Festival for our region.
We invite community-minded businesses and organizations to join us as sponsors for this once-in-a-generation celebration.