Halloween flyer reading “Trick or Treat on Main Street and Beyond” with a bat graphic and event details for October 31st at Mac Dutra Park.

Trick or Treat on Main Street

  • When
October 31, 2026 @ 12:00 am - 5:00 pm
  • Where
Main Street
Half Moon Bay, CA

Bring the kids in costume to downtown Half Moon Bay on Saturday, October 31, from noon to 5 PM for an afternoon of trick or treating on Main Street and beyond. Start at Mac Dutra Plaza, across from City Hall, to pick up a free trick or treat bag. Bags are handed out from noon to 2 PM, so plan to arrive early.

From there, follow the candy along Main Street and make an afternoon of it in town. The event is free.

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