Free Events & Activities in Costa Mesa, CA

Good to Go Fair

In 4 days · Sat, Apr 18, 4:00 PM–8:00 PM UTC · Pretend City Children's Museum · 29 Hubble, Irvine, CA 92618, Irvine, CA · Ages Up to 5

RESILIENCE: Licia Wise, Alexia Kutzner, Maria Elena Fuster, Sara DeSmet

Starts in 7 hrs · Tue, Apr 14, 3:00 PM–12:00 AM UTC · Cypress College · 9200 Valley View St, Cypress, CA 90630, Cypress, CA

El Salvador Community Center

El Salvador Community Center · 1825 W Civic Center, Santa Ana, CA

Library Program in Santa Ana, CA

Elders – Arnoldo Vargas Exhibition

Starts in 7 hrs · Tue, Apr 14, 3:00 PM–12:00 AM UTC · Cypress College · 9200 Valley View St, Cypress, CA 90630, Cypress, CA

MILA GOKHMAN: A RETROSPECTIVE

Starts in 7 hrs · Tue, Apr 14, 3:00 PM–12:00 AM UTC · Cypress College · 9200 Valley View St, Cypress, CA 90630, Cypress, CA

Garfield Community Center

Garfield Community Center · 501 N. Lacy St, Santa Ana, CA

Library Program in Santa Ana, CA

Albert Herring

In 4 days · Sun, Apr 19, 3:00 AM–5:00 AM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA

Soo Kim: (Charlie sings in the quietest voice)

Starts in 10 hrs · Tue, Apr 14, 6:00 PM–11:00 PM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA

Soco Farmers' Market

Soco Farmers' Market · 3315 Hyland Ave, Costa Mesa, CA

Farmers Market in Costa Mesa, CA

Carole Caroompas: Mystical Unions

Starts in 10 hrs · Tue, Apr 14, 6:00 PM–11:00 PM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA

Percussion Chamber Ensembles

Wed, Apr 15, 3:00 AM–5:00 AM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA

Costa Mesa Farmers' Market

Costa Mesa Farmers' Market · 88 Fair Dr, Costa Mesa, CA

Farmers Market in Costa Mesa, CA

CSU Brass Exchange: CSUF/ SDSU

In 6 days · Tue, Apr 21, 3:00 AM–5:00 AM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA

Northern California University Tour

Tomorrow · Apr 16 – Apr 19 · Fullerton College · Fullerton, CA

Bosscat Kitchen & Libations

Bosscat Kitchen & Libations · 4647 MacArthur Blvd, Newport Beach, CA 92660, Newport Beach, CA

Arts Crafts in Newport Beach, CA

Wildlife Wonders

In 5 days · Sun, Apr 19, 8:00 PM–11:00 PM UTC · Sherman Library & Gardens · 2647 East Coast Hwy, Corona del Mar, CA 92625, Corona del Mar, CA

FC Night 2026

Tomorrow · Thu, Apr 16, 12:00 AM–2:30 AM UTC · Fullerton College · 321 E Chapman Ave, Fullerton, CA 92832, Fullerton, CA

Orange County Public Law Library

Orange County Public Law Library · 515 N. Flower St, Santa Ana, CA

Library Program in Santa Ana, CA

Jazz Small Groups

In 2 days · Fri, Apr 17, 3:00 AM–5:00 AM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA

IVC Preview Night

Tomorrow · Wed, Apr 15, 11:00 PM–3:00 AM UTC · Irvine Valley College · 5500 Irvine Center Dr, Irvine, CA 92618, Irvine, CA

Costa Mesa Branch Library

Costa Mesa Branch Library · 1855 Park Ave., Costa Mesa, CA

Library Program in Costa Mesa, CA

Community Beach Cleanup – Stand Up to Trash

In 4 days · Sat, Apr 18, 4:00 PM–6:00 PM UTC · Ocean Institute · 24200 Dana Point Harbor Dr, Dana Point, CA 92629, Dana Point, CA

RAP Cart

Starts in 10 hrs · Tue, Apr 14, 6:00 PM–7:00 PM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA

Santa Ana Public Library

Santa Ana Public Library · 26 Civic Center Plaza, Santa Ana, CA

Library Program in Santa Ana, CA

X-Out

In 3 days · Sat, Apr 18, 3:00 AM–5:00 AM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA

CAAM Scavenger Hunt

In 5 days · Sun, Apr 19, 9:00 PM–10:00 PM UTC · CAAM · CA, Los Angeles, CA

Karl Strauss Brewing Co - Costa Mesa

Karl Strauss Brewing Co - Costa Mesa · 901 S Coast Dr Ste A, Costa Mesa, CA

Brewery in Costa Mesa, CA

Earth Day 2026

In 5 days · Sun, Apr 19, 4:00 PM–12:00 AM UTC · Natural History Museum of Los Angeles County · 900 Exposition Boulevard , Los Angeles, CA

HMOC & RedBoy Productions Powwow celebrating Native American Heritage Month 2026

Sat, Nov 14, 6:00 PM–2:00 AM UTC · Heritage Museum of Orange County · 3101 W Harvard St, Santa Ana, CA 92704, Santa Ana, CA

Downtown Santa Ana Farmers' Market

Downtown Santa Ana Farmers' Market · 307 N Spurgeon St, Santa Ana, CA

Farmers Market in Santa Ana, CA

HMOC FREE Community Dia de los Muertos 2027

Mon, Oct 25, 12:00 AM–4:00 AM UTC · Heritage Museum of Orange County · 3101 W Harvard St, Santa Ana, CA 92704, Santa Ana, CA

HMOC Open House

Sun, Dec 20, 7:00 PM–11:00 PM UTC · Heritage Museum of Orange County · 3101 W Harvard St, Santa Ana, CA 92704, Santa Ana, CA

Crean Mariners Branch Library

Crean Mariners Branch Library · 1300 Irvine Avenue., Newport Beach, CA

Library Program in Newport Beach, CA

Neurodivergent Family Night

In 4 weeks · Wed, May 13, 12:00 AM–2:00 AM UTC · Pretend City Children's Museum · 29 Hubble, Irvine, CA 92618, Irvine, CA

CSU, Long Beach & Chapman University: OFF CAMPUS FIELDTRIP

In 1 week · Fri, Apr 24, 4:00 PM–11:00 PM UTC · Irvine Valley College · 5500 Irvine Center Dr, Irvine, CA 92618, Irvine, CA

Fountain Valley Branch Library

Fountain Valley Branch Library · 17635 Los Alamos St., Fountain Valley, CA

Library Program in Fountain Valley, CA

Festival of Arts Fine Art Show

Jul 7 – Sep 6 · Festival of Arts of Laguna Beach · 650 Laguna Canyon Road, Laguna Beach, CA

Spend Earth Day Behind the Scenes at Roger’s Gardens with Ron Vanderhoff

In 1 week · Wed, Apr 22, 5:00 PM–7:00 PM UTC · Sherman Library & Gardens · 2647 East Coast Hwy, Corona del Mar, CA 92625, Corona del Mar, CA

Mesa Verde Branch Library

Mesa Verde Branch Library · 2969 Mesa Verde Drive East, Costa Mesa, CA

Library Program in Costa Mesa, CA

Career Planning and Workforce Development Center Spring Workshops and Events

In 2 weeks · Thu, Apr 30, 5:00 PM–6:00 PM UTC · Cypress College · 9200 Valley View St, Cypress, CA 90630, Cypress, CA

Talk: Bonsai –  Plants & Trees Other Than Pine & Juniper

Sat, May 30, 6:30 PM–7:30 PM UTC · Sherman Library & Gardens · 2647 East Coast Hwy, Corona del Mar, CA 92625, Corona del Mar, CA

Newhope Library Learning Center

Newhope Library Learning Center · 122 N. Newhope, Santa Ana, CA

Library Program in Santa Ana, CA

Opioid Overdose Prevention & Narcan Training

In 3 weeks · Mon, May 4, 6:00 PM–7:00 PM UTC · Cypress College · 9200 Valley View St, Cypress, CA 90630, Cypress, CA

Way to Play Day

Fri, Oct 9, 5:00 PM–8:00 PM UTC · Pretend City Children's Museum · 29 Hubble, Irvine, CA 92618, Irvine, CA

University Park Branch Library

University Park Branch Library · 4512 Sandburg Way, Irvine, CA

Library Program in Irvine, CA

Bonsai Show – Presented by Coastal Bonsai

Sun, May 31, 5:30 PM–11:00 PM UTC · Sherman Library & Gardens · 2647 East Coast Hwy, Corona del Mar, CA 92625, Corona del Mar, CA

Rodeway Inn Santa Ana - Garden Grove (Rodeway Inn)

Rodeway Inn Santa Ana - Garden Grove (Rodeway Inn) · 609 N Harbor Blvd, Santa Ana, CA

Outdoor Space in Santa Ana, CA

Open Mic Night

Fri, May 15, 1:00 AM–1:00 AM UTC · Cypress College · 9200 Valley View St, Cypress, CA 90630, Cypress, CA

Donuts with the SDC

In 1 week · Wed, Apr 22, 4:30 PM–5:30 PM UTC · Cal State Fullerton · 800 N State College Blvd, Fullerton, CA 92831, Fullerton, CA