San Marcos Halloween & Things to Do 2025

Your complete guide to the best halloween in San Marcos and surrounding areas

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San Marcos showcases Halloween 2025 near the square and riverwalk with macabre entertainment and seasonal scares across neighborhood hotspots. Events feature spooky outdoor events, pumpkin patches, and costume parades that welcome families and students alike.

Find the best San Marcos Halloween happenings this year!

San Marcos Halloween - spooky scene with haunted house, jack-o-lanterns, ghosts, witches, and trick-or-treaters

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San Marcos Halloween Events Map

See every Halloween event, haunted attraction, and pumpkin patch on one map.

San Marcos Halloween events map

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Halloween road trip adventure with spooky characters

Halloween Road Trips & Weekend Getaways

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