San Marcos Halloween Events 2026

Browse Halloween in San Marcos

Illustration of a witch in a pointed hat reading a book to a small doll child and a black cat on a sofa among pumpkins San MarcosFamily-Friendly Fall Activities52 family events Illustration of clay figures in costumes and a floating ghost at a Halloween party with a punch bowl and glowing pumpkins San MarcosHalloween Food, Drink, and Parties18 parties & tastings Illustration of a clay haunted house with glowing windows, ghosts, a black cat, jack-o'-lanterns and bats at twilight San MarcosHaunted Experiences12 haunted attractions Illustration of a Halloween town at twilight with glowing houses, jack o lanterns, ghosts, and a witch flying past the moon San MarcosUnique Halloween Events11 unique events

Editor's Picks

Illustration of a giant pumpkin on a stand in a grassy field near striped booths with small figures and pumpkins (San Marcos Harvest Fest & Halloween Trunk-or-Treat) San Marcos Harvest Fest & Halloween Trunk-or-TreatSun, Oct 11Fall celebration featuring street food, live music, and local sips. Illustration of costumed clay figures with frothy beer mugs and glowing jack-o'-lanterns at picnic tables in a night patio (Temecula Ghost Tours) Temecula Ghost ToursTemeculaHaunted walking pub tour exploring historic Old Town Temecula. Illustration of small costumed children and a witch on a sunny autumn lawn with pumpkins, hay bales and orange trees (Brick or Treat) Brick or TreatCarlsbad · Sep 19 – Nov 1Not-too-scary Halloween party featuring interactive LEGO monster homes and trick-or-treating. Illustration of a glowing ferris wheel and carousel at dusk with pumpkins, jack-o'-lanterns and small costumed figures (Once Upon a Hallowe'en) Once Upon a Hallowe'enPoway · Sat, Oct 24Halloween train rides, carnival games, trunk-or-treat, and a haunted house. Illustration of costumed characters toasting with frothy mugs at picnic tables under string lights and pumpkins (Pacific Beach Zombie Crawl) Pacific Beach Zombie CrawlSan Diego · Oct 30 – Oct 31All-access wristband to over 10 Pacific Beach bars and nightclubs Illustration of striped market booths and pumpkin displays on a street with small clay figures under orange autumn trees (Fall Fun Festival at Alta Vista Botanical Gardens) Fall Fun Festival at Alta Vista Botanical GardensVista · Sat, Oct 10Scarecrow contest, live music, and family crafts in the gardens.

Events Happening Soon

Sat24Oct Keystone Way Zombie CrawlVista Illustration of a cozy lantern lit patio at night where costumed figures toast frothy beer mugs at wooden picnic tables (Keystone Way Zombie Crawl) Sun25Oct Oceanside Día de los Muertos FestivalOceanside Illustration of a candlelit ofrenda altar with marigolds and skull decorations as clay figures stand in a plaza at dusk (Oceanside Día de los Muertos Festival) Sat31Oct Día de los Muertos at Leo Carrillo RanchCarlsbad Illustration of costumed children and two witches on a lawn with pumpkins, a small tent and orange autumn trees (Día de los Muertos at Leo Carrillo Ranch) Sat31Oct Howl-O-Ween Doggie Costume Contest and ParadeValley Center Illustration of a pumpkin patch with many orange pumpkins on curling vines, a red wheelbarrow, and a small wooden farm stand (Howl-O-Ween Doggie Costume Contest and Parade) Sat31Oct Halloween in La Mesa Village Trick-or-TreatingLa Mesa Illustration of two small ghosts and a witch with a black cat carrying pumpkin buckets on a street of cozy houses at dusk (Halloween in La Mesa Village Trick-or-Treating)

About Halloween in San Marcos

San Marcos centers Halloween 2026 on well-known attractions with eerie adventures and supernatural fun around the downtown plaza.

Experience haunted entertainment, fall events, and spooky adventures including haunted houses, family pumpkin picks, and costume nights.

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Halloween in Nearby Cities

Escondido 5 mi away · 10 events Vista 6 mi away · 4 events Encinitas 10 mi away · 7 events Carlsbad 11 mi away · 9 events Rancho Penasquitos 13 mi away · 2 events Oceanside 13 mi away · 4 events

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