Your version of Internet Explorer is not longer supported. Please upgrade your browser.

find Halloween events for every vibe.

Events in Costa Mesa, CA

Search for something you love or check out popular events in your area.

Kids Business Fair
Saturday at 11:00 AM
Irvine · Great Park, Irvine
Kids Business Fair
Saturday at 11:00 AM
Irvine · Great Park, Irvine
USC MAA-OC Networking Lunch: Paul Martin's - Irvine - 11/7/25
Fri, Nov 7, 11:45 AM
Irvine · Paul Martin’s American Grill
USC MAA-OC Networking Lunch: Paul Martin's - Irvine - 11/7/25
Fri, Nov 7, 11:45 AM
Irvine · Paul Martin’s American Grill
Sales end soon
Cocktail Masterclass & Costume Contest
Thursday at 7:00 PM
Orange · PUBlic Legacy
Sales end soon
Cocktail Masterclass & Costume Contest
Thursday at 7:00 PM
Orange · PUBlic Legacy
Selling quickly
Halloween Night at Sevilla Costa Mesa – The Biggest Party of the Year!
Friday at 10:00 PM
Costa Mesa · Sevilla Nightclub of Costa Mesa
Selling quickly
Halloween Night at Sevilla Costa Mesa – The Biggest Party of the Year!
Friday at 10:00 PM
Costa Mesa · Sevilla Nightclub of Costa Mesa
HYROX Prep & Recovery
Sat, Nov 8, 6:00 PM
Costa Mesa · 3195 Airport Loop Dr suite d2
HYROX Prep & Recovery
Sat, Nov 8, 6:00 PM
Costa Mesa · 3195 Airport Loop Dr suite d2
Sales end soon
Hive & Haunted: Halloween Disco
Friday at 7:30 PM
Irvine · Hive and Honey Rooftop Bar
Sales end soon
Hive & Haunted: Halloween Disco
Friday at 7:30 PM
Irvine · Hive and Honey Rooftop Bar
Swedish Christmas Fair at Elks Lodge in Huntington Beach
Sun, Nov 23, 10:30 AM
Huntington Beach · Huntington Beach Elks Lodge #1959
Swedish Christmas Fair at Elks Lodge in Huntington Beach
Sun, Nov 23, 10:30 AM
Huntington Beach · Huntington Beach Elks Lodge #1959
2025 Newport Beach Halloween Bar Crawl
Saturday at 4:00 PM
Newport Beach · Baja Sharkeez
2025 Newport Beach Halloween Bar Crawl
Saturday at 4:00 PM
Newport Beach · Baja Sharkeez
A Man with Standards
Sat, Nov 8, 7:30 PM
Newport Beach · 3459 Via Lido
A Man with Standards
Sat, Nov 8, 7:30 PM
Newport Beach · 3459 Via Lido
Speed Dating | Ages 40+ | NEAT Coffee | Costa Mesa
Wed, Nov 5, 7:00 PM
Costa Mesa · Neat Coffee
Speed Dating | Ages 40+ | NEAT Coffee | Costa Mesa
Wed, Nov 5, 7:00 PM
Costa Mesa · Neat Coffee
Sales end soon
DW Spectrum / Megapix Ai Certification Class Anaheim
Wednesday at 8:00 AM
Costa Mesa · Crowne Plaza Costa Mesa Orange County, an IHG Hotel
Sales end soon
DW Spectrum / Megapix Ai Certification Class Anaheim
Wednesday at 8:00 AM
Costa Mesa · Crowne Plaza Costa Mesa Orange County, an IHG Hotel
Sales end soon
SoCal Cocktail & Spirits Fest presented by SIP Awards
Sat, Nov 15, 3:00 PM
Costa Mesa · OC Fair & Event Center
Sales end soon
SoCal Cocktail & Spirits Fest presented by SIP Awards
Sat, Nov 15, 3:00 PM
Costa Mesa · OC Fair & Event Center
2025 CMBAM Annual Conference - Cal State Fullerton
Thu, Nov 6, 6:00 PM
Fullerton · Titan Student Union
2025 CMBAM Annual Conference - Cal State Fullerton
Thu, Nov 6, 6:00 PM
Fullerton · Titan Student Union
Sales end soon
Come Celebrate the 250th Birthday of the U.S. Navy & Marine Corps
Saturday at 12:00 PM
Costa Mesa · Wakeham Park
Sales end soon
Come Celebrate the 250th Birthday of the U.S. Navy & Marine Corps
Saturday at 12:00 PM
Costa Mesa · Wakeham Park
November 2025 SCGS Meeting
Mon, Nov 3, 6:00 PM
Orange · Dave & Buster's
November 2025 SCGS Meeting
Mon, Nov 3, 6:00 PM
Orange · Dave & Buster's
10 Year Reunion LBHS
Wed, Nov 26, 6:00 PM
Laguna Beach · Mozambique
10 Year Reunion LBHS
Wed, Nov 26, 6:00 PM
Laguna Beach · Mozambique
KeebLife x Monkish Mini Meet (Nov 2025)
Sat, Nov 15, 12:00 PM
Anaheim · Monkish Brewing
KeebLife x Monkish Mini Meet (Nov 2025)
Sat, Nov 15, 12:00 PM
Anaheim · Monkish Brewing
MO Jones Productions SoCal Networking Mixer #13!
Thu, Nov 13, 6:00 PM
Santa Ana · Spoons Grill & Bar
MO Jones Productions SoCal Networking Mixer #13!
Thu, Nov 13, 6:00 PM
Santa Ana · Spoons Grill & Bar
First Friday: Night Market and Food + Beer Pairing
Fri, Nov 7, 6:00 PM
Anaheim · Radiant Beer Co.
First Friday: Night Market and Food + Beer Pairing
Fri, Nov 7, 6:00 PM
Anaheim · Radiant Beer Co.
Sales end soon
Salsa Halloween Party | Dance, Costumes & Latin Rhythms in Costa Mesa
Wednesday at 8:00 PM
Costa Mesa · Sevilla Nightclub of Costa Mesa
Sales end soon
Salsa Halloween Party | Dance, Costumes & Latin Rhythms in Costa Mesa
Wednesday at 8:00 PM
Costa Mesa · Sevilla Nightclub of Costa Mesa

Trends in Costa Mesa

Explore more trends

Explore more trends

Frequently asked questions about Costa Mesa

What are the best events to attend?

According to Eventbrite, the best events are:

Kids Business Fair

USC MAA-OC Networking Lunch: Paul Martin's - Irvine - 11/7/25

Halloween Night at Sevilla Costa Mesa – The Biggest Party of the Year!

HYROX Prep & Recovery

Which events are currently trending in Costa Mesa?

The trending searches this month in Costa Mesa are:

halloween party

stand up comedy

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

DW Spectrum / Megapix Ai Certification Class Anaheim

Salsa Halloween Party | Dance, Costumes & Latin Rhythms in Costa Mesa

Cocktail Masterclass & Costume Contest

Hive & Haunted: Halloween Disco