All events are subject to change. Please confirm with the event organizer before attending.
Vernal Pool Walk | Fairview Park, Costa Mesa
January 31: Explore rare vernal pools with an ecologist and learn how these seasonal wetlands support endangered species. FREE!
Springfest: A Pirate Adventure | Lions Park, Costa Mesa
April 4: Join a pirate-themed spring celebration with games, treasure egg hunts, train rides, arm painting, and photos with the Pirate Bunny. Live entertainment and music are also part of the fun. FREE!
Earth Day Festival | Costa Mesa City Hall Lawn, Costa Mesa
April 18: Explore eco booths, games, and hands-on demos at this Earth Day festival. Kids can plant flowers, win prizes, and take home free compost. FREE!
Mothing Night | Fairview Park, Costa Mesa
April 24: Explore bugs after dark with lights and live observation. Kids can discover moths and help document local biodiversity.
Scarecrow Festival | Lions Park, Costa Mesa
October 10: Enjoy trick-or-treat stations, a kids costume parade, scarecrow contest, photo ops, live entertainment, music, and more. FREE!
Disclaimer: The Kidsguide team does their best to keep event details accurate at the time of posting, but information can change without notice! Be sure to double-check with the event organizer before heading out. Kidsguide is not responsible for any errors, omissions, or changes on our calendar—we’re just here to help you find the fun!

