Family in San Diego on Monday, December 21, 2026

13 events across 10 venues in San Diego County on Monday, December 21, 2026. Updated nightly from venue calendars and ticketing sites.

Afternoon 5

2:30 PM
LEGO Club
Julian Library · Julian
Bring your imagination and we’ll supply the LEGOs!
Tickets & details
2:30 PM
Nintendo Switch 2!
Julian Library · Julian
Come play on the Nintendo Switch 2, we will be playing Super Smash Bros and Kirby Air Riders on the big screen!
Tickets & details
3:00 PM
Craft Challenge
Imperial Beach Library · Imperial Beach
We’ll provide a theme and materials, you bring your imagination! Stations will be set up for kids to create and experiment with the craft of the day, which they can take home to enjoy. For kids ages 4 to 12. Parent/guardian supervision required.
Tickets & details
4:00 PM
Construction Club
La Mesa Library · La Mesa
Play and build with LEGO® bricks! Free build - or take on the weekly building challenge! Recommended for ages 4+ Younger children may attend, but must be accompanied by an adult for their safety.
Tickets & details
4:30 PM
BIOLOGY WORKSHOP
4S Ranch Library · San Diego
Biology Workshop 3rd Monday every month! Games Wordsearch Labs Getting to know each other!
Tickets & details

9:00 AM
Winter Break Camp #1 (3-day)
San Diego Junior Theatre · San Diego
A three-day youth theater camp offered by San Diego Junior Theatre during the winter school break. No further details are listed beyond the start date and time.
Tickets & details
10:30 AM
Baby Storytime
Julian Library · Julian
Join us for stories, songs and movement activities for babies and toddlers 18 months and younger.
Tickets & details
11:00 AM
Baby Storytime
Poway Library · Poway
Enjoy songs, fingerplays, books, and more with your baby. All children are welcome. Geared toward pre-walkers.
Tickets & details

On view · through Sat, Mar 6
LEGO® Galaxy NOW OPEN at LEGOLAND® California
LEGOLAND® California · Carlsbad
A new LEGO Galaxy themed area has opened at LEGOLAND California, offering immersive space-themed rides and attractions. The attraction is available through March 6, 2027.
Tickets & details
On view · through Thu, Dec 31
ALL-NEW Shark Encounter
Venue not listed · San Diego
A brand-new Shark Encounter exhibit or experience has opened at a San Diego attraction and is available through December 31, 2026. No additional details are provided beyond the title and dates.
Tickets & details
On view · through Thu, Dec 31
ALL-NEW Shark Encounter
San Diego · San Diego
A brand-new shark encounter experience at a San Diego attraction, running through the end of 2026. Details beyond the title and dates are not provided on this page.
Tickets & details
On view · through Thu, Dec 31
Candy Land Cafe!
Venue not listed · San Diego
An event or pop-up experience themed around the classic Candy Land board game, running through the end of 2026. No venue or further details are given on this listing page.
Tickets & details
On view · Tue, Dec 1 – Thu, Dec 31
December Videogaming at Crest
Crest Library · El Cajon
It's not just books at the library: Crest has videogames for patrons to enjoy, too! Visit Crest during its open hours and ask the front desk staff for access to the original Xbox One or Nintendo Switch. Please be mindful of others who also want a turn!
Tickets & details