Join us at the Fleet for December Nights, San Diego's largest holiday festival! Explore over 100 interactive exhibits and discover the power of science free of cost.
December Nights
December 4 and 5
Celebrate the magic of the season at December Nights, San Diego's largest holiday festival, in beautiful Balboa Park December 4 and 5, 2026 from 3 p.m.–9 p.m. for free!
Join us at the reimagined Fleet Science Center for two festive evenings of discovery, exploration and wonder. Enjoy free admission to our newly transformed museum galleries, explore interactive exhibits and experience exciting live science demonstrations throughout the Fleet. There's something to spark curiosity in everyone!
Plus, stop by the Black Hole Lounge for a refreshing beverage and a place to unwind. Open from 3 p.m.–9 p.m., with last call at 8:30 p.m. Families are welcome; valid ID is required for alcoholic beverages.
Know before you go:
- Free Museum Admission: 3 p.m.–9 p.m. on December 4 and 5 (last entry 9 p.m.)
- Museum Hours: Closed 10 a.m.–3 p.m. both days of December Nights
- Temporary Closures: IMAX Giant Dome Theater, Ball Pool, Element 8 Cafe and Concessions will be closed.
- Stroller Parking: Required upon entry, with designated parking available.
For festival schedules, parking and additional event info, visit the City's December Nights webpage for the most up-to-date information.
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