Halloween
Events in San Marcos 2026
San Marcos
Things to do on Halloween in San Marcos
Must-attend annual halloween events
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Fri, 02 Oct, 2026 - 05:00 PM2920 Zoo Dr, San Diego, CA, United States, California 9210118+ Interested
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Sat, 10 Oct, 2026 - 11:00 AMGrossmont Center Dr, La Mesa, CA 91942, United States
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Fri, 23 Oct • 06:00 PMUSD 37
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Sun, 11 Oct, 2026 - 07:00 PMBalboa Theatre - San Diego
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Sat, 10 Oct, 2026 - 06:00 PMSeaWorld San Diego
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Sat, 26 Sep, 2026 - 10:00 AM5750 North River Road, Oceanside, CA, United States, California 9205758+ Interested
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Sat, 31 Oct, 2026 - 09:00 PMHard Rock Hotel San Diego
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Sun, 04 Oct, 2026 - 10:00 AMThe Salvation Army Kroc Center Corner ZoneFree
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Sat, 10 Oct, 2026 - 10:00 AM5750 North River Road, Oceanside, CA, United States, California 9205722+ Interested
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Fri, 30 Oct • 07:00 PM
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Fri, 30 Oct, 2026 - 06:00 PMTaste & ThirstUSD 7
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Sat, 31 Oct, 2026 - 12:00 PMPacific BeachUSD 7
Halloween Parties in San Marcos
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Fri, 23 Oct • 06:00 PMUSD 37
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Sat, 31 Oct, 2026 - 09:15 PMCalifornia Spirit YachtUSD 105
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Sat, 31 Oct, 2026 - 08:00 PMUSD 34
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Sat, 31 Oct, 2026 - 08:00 PM1549 El Prado, San Diego, CA 92101-1660, United States18+ Interested
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Sat, 31 Oct, 2026 - 10:00 PMPoint Loma SportfishingUSD 50
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KID-FRIENDLY HALLOWEEN
Choose your pick for a kid-friendly scare.
Trick or Treat events in San Marcos
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Fri, 30 Oct, 2026 - 06:00 PMEstancia La Jolla Hotel & SpaUSD 103
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Sat, 31 Oct, 2026 - 12:00 PM8270 Mira Mesa BlvdFree
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Sat, 24 Oct, 2026 - 03:00 PMWag Hotels San DiegoFree
Costume Parties in San Marcos
Bar crawls events in San Marcos
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Fri, 30 Oct • 07:00 PM
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Sat, 31 Oct, 2026 - 07:30 PMVYBZ Kitchen & LoungeUSD 8
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Free halloween events in San Marcos
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Sun, 04 Oct, 2026 - 10:00 AMThe Mart Vintage & Antique MallFree
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Sat, 31 Oct, 2026 - 12:00 PM8270 Mira Mesa BlvdFree