Monster Splash at Aquatic Center in Irvine

October 25: Dress in your spooky best and visit the William Woollett Jr. Aquatics Center for a floating pumpkin patch, decoration station, trick-or-treating, rec swim, floating obstacle course, photo booth, and snacks. Registration required.

Dates:
Location:
William J. Woollett Jr. Aquatics Center 4601 Walnut Ave., Irvine, CA
+ Google Map
Cost:
$12

Trick-or-Treat at the Whittier Museum

October 25: Explore the decorated museum and trick-or-treat, no scare actors or effects just lots of fun and candy!

Dates:
Location:
Whittier Historical Society & Museum 6755 Newlin Ave., Whittier, CA
+ Google Map
Cost:
Free

Dia De Los Muertos Celebration at Mainplace Mall Santa Ana

October 25: Features a day of art, culture, and community with interactive activities for all ages, including live art demonstrations, cultural games, and educational experiences. FREE!

Dates:
Location:
MainPlace Mall 2800 N Main St. C, Santa Ana, CA
+ Google Map
Cost:
Free

Halloween Spooktacular & Trunk or Treat in Dana Point

October 25: Enjoy games, Trunk or Treat, bounce fun, spooky maze, and a kids’ costume parade at the Dana Point Halloween Spooktacular. FREE!

Dates:
Location:
Dana Point Community Center 34052 Del Obispo, Dana Point, CA
+ Google Map
Cost:
Free

Día de los Muertos Fiesta in Mission Viejo

October 25: Enjoy live mariachi music, folkloric dance, face painting, arts and crafts, and authentic food. FREE!

Dates:
Location:
Norman P. Murray Community and Senior Center 24932 Veterans Way, Mission Viejo, CA
+ Google Map
Cost:
Free

Downtown’s Fright Fest on Pine & Promenade

October 25: Enjoy face painting, balloon twisting, pumpkin patch photo ops, and tricked-out car displays by day—then live music, food, and spooky vibes by night at Downtown Long Beach’s Fright Fest. FREE!

Dates:
Location:
Downtown Long Beach
+ Google Map
Cost:
Free

Howl-O-Ween Festival with Cal Heights Music

October 25: Join Cal Heights Music for an afternoon of family-friendly spooky fun with music performances, free face painting, photo booth, and more. FREE!

Dates:
Location:
Cal Heights Music 1240 E. Wardlow Road, Long Beach, CA
+ Google Map
Cost:
Free

Boo Bash at the Bella Terra in Huntington Beach

October 25: Celebrate Halloween at Bella Terra’s Boo Bash with character meet and greets, face painting, giveaways, and a costume raffle for all ages.

Dates:
Location:
Bella Terra 7777 Edinger Ave., Huntington Beach, CA
Cost:
Free

Enchanted Trail at Shipley Nature Center in Huntington Beach

October 25: Follow the enchanted trail for trick-or-seed activities, ghost stories in the redwoods, and a costumed scavenger hunt at Shipley Nature Center. $5 suggested donation. FREEish!

Dates:
Location:
Shipley Nature Center 17851 Goldenwest St., Huntington Beach, CA
+ Google Map
Cost:
$5

Halloween Spooktacular with City of Newport Beach

October 25: Enjoy trunk-or-treating, games, pumpkin decorating, and a costume contest at Newport Beach’s Halloween Spooktacular. FREE!

Dates:
Location:
Mariners Park - Newport Beach 1300 Irvine Ave, Newport Beach, CA
+ Google Map
Cost:
Free

The Boo Bop Halloween Music Fest in Pasadena

October 25: Sing, dance, and trick-or-treat at Minibop’s Boo Bop Halloween Music Fest for babies, toddlers, and families.

Dates:
Location:
Grant Park - Pasadena 232 S. Michigan Ave., Pasadena, CA
+ Google Map
Cost:
$10 – $20

Trunk-or-Treat in Los Alamitos

October 25: This spooktacular event features trunk-or-treating, pumpkin patch, costume contest, and more.

Dates:
Location:
Little Cottonwood Park 4000 Farquhar Ave., Los Alamitos, CA
+ Google Map
Cost:
Free

Mini Monsters Bash at Children’s Museum at La Habra

October 25: Trick-or-treat, explore a corn maze, and enjoy a Mad Scientist Show at the Mini Monsters Bash at The Children’s Museum at La Habra.

Dates:
Location:
The Children's Museum at La Habra 301 S Euclid St., La Habra, CA
+ Google Map

Spooky Seas at Ocean Institute in Dana Point

October 25: Play laser tag, explore haunted ships, and meet glowing creatures at Spooky Seas at the Ocean Institute.

Dates:
Location:
Ocean Institute 24200 Dana Point Harbor Drive, Dana Point, CA
+ Google Map

Haute Dog Howl’oween Parade in Long Beach

October 26: See 400+ costumed dogs as they parade around. Halloween costume parade for kids and adults with prizes too. FREE!

Dates:
Location:
Belmont Pool 4320 E. Olympic Plaza, Long Beach, CA
+ Google Map
Cost:
Free

Autumn Festival at San Diego Zoo Safari Park

Weekends, October 4-26: Celebrate the season with wildlife, special entertainment, and culinary comforts. Meet Robert the Zebra, Safari Parker, hoedown with not-so-scary scarecrows, enjoy live music, navigate through a maze, and more.

Dates:
Location:
San Diego Zoo Safari Park 15500 San Pasqual Valley Road, Escondido
+ Google Map

Getty Drawing Day

October 26 - December 7: Sketch costumed models, explore figure drawing, and learn from guest artists—materials and guidance provided.

Dates:
Getty Drawing Day
Location:
Getty Center 1200 Getty Center Drive, Los Angeles, CA
+ Google Map
Cost:
Free

Halloween Trick-or-Treat at Ventura Harbor Village

October 26: Trick-or-treat along the waterfront, enjoy magician shows, a kids dance party, crafts, and a skeleton hunt at Ventura Harbor Village. FREE!

Dates:
Location:
Ventura Harbor Village 1583 Spinnaker Drive, Ventura, CA
+ Google Map
Cost:
Free

Día de los Muertos at LA Plaza de Cultura y Artes

October 26: Celebrate life and remembrance through dance, music, and hands-on crafts at Día de los Muertos Family Day at LA Plaza de Cultura y Artes. FREE with RSVP!

Dates:
Location:
LA Plaza de Cultura y Artes 501 N. Main St., Los Angeles, 90012
+ Google Map
Cost:
Free

Halloween Spooktacular at Cerritos Towne Center

October 26: Family-friendly entertainment, including trick-or-treat candy stations, character meet and greets, balloon twisters, kids' crafts and a live DJ spinning festive Halloween-themed music!

Dates:
Location:
Cerritos Towne Center 12989 Park Plaza Drive, Cerritos, CA
+ Google Map
Cost:
Free

Family Rave: Spooky Beats ’n Treats in Long Beach

October 26: Dance under the lights with house DJs, crafts, and a multi-sensory dance floor at the Family Rave: Spooky Beats ’n Treats in Long Beach.

Dates:
Location:
ALTAR Brewing Society 230 Pine Ave., Long Beach, CA
+ Google Map

Día de los Muertos Festival in San Pedro

October 26: Celebrate life and Latin heritage at San Pedro’s Día de los Muertos Festival with live music, altars, crafts, and a Catrina costume contest. FREE!

Dates:
Location:
San Pedro's Día de los Muertos Festival 398 W. 6th St., San Pedro, CA
+ Google Map
Cost:
Free

Dia de los Muertos at Heritage Museum OC

October 26: Celebrate with live entertainment, food, vendors, community altar, arts and crafts and more!

Dates:
Location:
Heritage Museum of Orange County 3101 W. Harvard Steet, Santa Ana
+ Google Map
Cost:
Free

Cops N’ Goblins with City of Buena Park

October 29: Bring your little goblins out for a Halloween and trick-or-treat experience as brought to you by your Buena Park Police Department and Community Services Department.

Dates:
Location:
Buena Park City Hall & Civic Center 6650 Beach Blvd., Buena Park
+ Google Map
Cost:
Free

Treats in the Streets Autumn Festival in Orange

October 30: Enjoy trick-or-treating, music, and family fun. Local merchants will hand out goodies and families are encouraged to dress up and join the costume parade.

Dates:
Location:
Old Town Orange Plaza 1 Plaza Square, Orange, CA
+ Google Map
Cost:
Free

OktoBOOfest at Downtown Fullerton Plaza

October 30: Get spook with a trick-or-treating, kids parade, pie-eating contest, food, and brews at OktoBOOfest in Fullerton. FREE!

Dates:
Location:
Downtown Fullerton Plaza 125 E. Wilshire Ave., Fullerton, CA
+ Google Map
Cost:
Free

Jurassic Quest at the Pomona Fairplex

October 31 - November 2: Encounter life-sized dinosaurs, ride animatronic creatures, dig for fossils, and explore themed bounce houses, crafts, and LEGO® models at this immersive family adventure.

Dates:
Location:
Pomona Fairplex 1101 W McKinley Ave., Pomona, California
+ Google Map

Halloween Carnival at Veterans Park in Bell Gardens

October 31: Play games, grab food, and watch a dazzling laser show at Bell Gardens’ Halloween Carnival and Día de los Muertos celebration. FREE!

Dates:
Location:
Veterans Park - Bell Gardens 6662 Loveland St., Bell Gardens, CA
+ Google Map
Cost:
Free

Halloween Party at Kidspace in Pasadena

October 31: Join the Children’s Museum at La Habra for a Halloween Parade, face painting, and balloon fun at their daytime Halloween Party!

Dates:
Location:
Kidspace Children's Museum 480 North Arroyo Blvd., Pasadena, CA
+ Google Map

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!