Free Events and Things to do in Costa Mesa, CA this weekend
Looking for things to do in Costa Mesa this weekend? Explore our real-time listings for the best concerts, nightlife, and food and drink experiences. From seasonal festivals and comedy shows to free activities, find your next plan with our constantly updated feed of Costa Mesa's most popular events.
SnowFest at Sports Basement Orange County
Saturday at 9:00 AM
Fountain Valley · Sports Basement Orange County
SnowFest at Sports Basement Orange County
Saturday at 9:00 AM
Fountain Valley · Sports Basement Orange County
2026 Mosaic IP Law and Policy Roundtable Conference
Friday at 9:00 AM
Irvine · University of California, Irvine School of Law
2026 Mosaic IP Law and Policy Roundtable Conference
Friday at 9:00 AM
Irvine · University of California, Irvine School of Law
Dr. Martens Warehouse Sale - Tustin, CA
Friday at 10:00 AM + 23 more
Tustin · Alternative Retail | Tustin, CA
Dr. Martens Warehouse Sale - Tustin, CA
Friday at 10:00 AM + 23 more
Tustin · Alternative Retail | Tustin, CA
Wave Plastic Surgery & Medspa Presents: Costa Mesa Open House
Saturday at 10:00 AM
Costa Mesa · Wave Plastic Surgery
Wave Plastic Surgery & Medspa Presents: Costa Mesa Open House
Saturday at 10:00 AM
Costa Mesa · Wave Plastic Surgery
2026 Global Peace & Legacy Awards | A Day of Film, Healing & Gratitude
Sunday at 8:45 AM
Fountain Valley · Sapphire Center (old Saigon Grand Center)
2026 Global Peace & Legacy Awards | A Day of Film, Healing & Gratitude
Sunday at 8:45 AM
Fountain Valley · Sapphire Center (old Saigon Grand Center)
ACTV Studio IRL: Vuori Irvine x V1 Leader Joe Stacy
Saturday at 8:00 AM
Irvine · Vuori Irvine Spectrum
ACTV Studio IRL: Vuori Irvine x V1 Leader Joe Stacy
Saturday at 8:00 AM
Irvine · Vuori Irvine Spectrum
Ask The Experts: Real Answers Beyond the Social Media Noise
Saturday at 11:00 AM
Costa Mesa · New Mom School
Ask The Experts: Real Answers Beyond the Social Media Noise
Saturday at 11:00 AM
Costa Mesa · New Mom School
Birding Photo Walk Sponsored by Fujifilm & Optics4Birding - Orange County
Saturday at 7:00 AM
Irvine · 5 Riparian View
Birding Photo Walk Sponsored by Fujifilm & Optics4Birding - Orange County
Saturday at 7:00 AM
Irvine · 5 Riparian View
Toy Swap (Lake Forest, Mission Viejo, and surrounding areas)
Saturday at 9:30 AM
Lake Forest · Rimgate Park
Toy Swap (Lake Forest, Mission Viejo, and surrounding areas)
Saturday at 9:30 AM
Lake Forest · Rimgate Park
Frequently asked questions about Costa Mesa