San Marcos Halloween Events
Halloween events Happening Next in San Marcos, CA
Community Halloween Party: The Questhaven Excavation
Questhaven
31 Oct 2025
HALLOWEEN
WCC Trick or Tee: Sandy Caples Memorial Annual GOLF TOURNAMENT
Twin Oaks Golf Course
24 Oct 2025
SPORTS
USD 23 TO 3,737
San Marcos Community Harvest Festival and Halloween Trunk or Treat
The Church of Jesus Christ of Latter-day Saints
25 Oct 2025
San Marcos Community Harvest Festival Dinner & Halloween Trunk or Treat
The Church of Jesus Christ of Latter-day Saints
31 Oct 2025
RELIGIOUS
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San Marcos Events
San Marcos Halloween Events