December Nights

Celebrate the Season at the Fleet

Join us for December Nights, San Diego's largest holiday festival in beautiful Balboa Park on December 5 & 6, 2025!

This free, family-friendly event brings San Diegans together to enjoy all of the lights, sounds, attractions, and amazing food that Balboa Park has to offer. At the Fleet, guests can experience over 100+ interactive exhibits and discover the power of science free of cost from 3 p.m.-9 p.m. 

Check the City of San Diego's December Nights webpage for the most up-to-date information regarding this event.

Please note that the Fleet will be closed from 10 a.m. to 3 p.m. on each day. The Heikoff Giant Dome Theater and the Ball Pool will be closed during the event. Admission to the galleries is free.

An aerial view of a science center with neon lights and many people walking through the spaces
A group of people using a workshop table to build crafts
A crowd gathered around a tesla coil
A group of people using a workshop table to build crafts
Two festive men on either side of a person wearing an inflatable penguin suit.

Save the Date  

Events are currently being scheduled.

Thank you for your patience and support for science in our community!

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