Irvine Monster Splash

October 24, 2026, 1-4 p.m.

William Woollett Jr. Aquatics Center
4601 Walnut Ave.
Irvine, CA
cityofirvine.org/monstersplash
$12-15, ages 12 years and younger, yourirvine.org registration required or call  (949) 724-6717

Parking is free. Additional parking available at Heritage Community Park, 14301 Yale Ave. 

 Dress in your spookiest for trick-or-treating around the pool decks. There's a floating pumpkin patch and decorating station. Take some photos with the spooky friends before changing to swim in the enchanted lagoon.

Feeling brave? Take a plunge into deep water and walk through the frightening inflatable obstacle course. Bounce houses, ghoulish snacks from the spooky smorgasbord and activities galore include:

• Floating Pumpkin Patch
• Pumpkin Decorating
• Trick-or-Treating
• Recreational Swimming
• Floating Obstacle Course
• Bounce Houses 

Pretend City Costume Week

October 25-29, 2026, 8 a.m.-5 p.m. + Halloween October 31, 2026

Pretend City Children's Museum
29 Hubble
Irvine, CA
$22, pretendcity.org
Free age 12 mos. & under

Wear your costume 

All treats and no tricks in the city! Get a start on the festivities by joining this special trick-or-treat extravaganza as you stop by exhibits for some neat giveaways. This party is bound to be a scream! Purpose Behind the Play: Socialization, language practice, and healthy habit practice Time

Pretend City's Halloween

October 31, 2026, 11 a.m.-5 p.m.

 Step into a world of enchantment, mystery, and Halloween magic in this thrilling Halloween Extravaganza. Whether you’re a tiny trick-or-treater or a daring ghost hunter, this event is packed with spooky surprises and fun-filled activities.  It's going to be spook-tacular!

Events are not guaranteed. It is your responsibility to confirm before going.