MI Halloween event on the way
Published 12:30 pm Monday, October 20, 2025
Mercer Island Parks and Recreation and Mercer Island Chamber of Commerce will present Trick or Treat in Town Center with participating businesses from 3:30-5:30 p.m. on Oct. 31. Trick-or-treaters can look for the ghost decal in the businesses’ windows. A map and listing of businesses can be found at: www.mercerisland.gov/halloween. Pictured are participants in last year’s event. Reporter file photo
