Hyannis Main StreetLocation Main StreetHyannisMA02601Next Event Hyannis Open Streets - May 19 - 12:00 pm to 4:00 pm Upcoming EventsHyannis Open Streets - Oct 20 - 12:00 pm to 4:00 pmHalloween Safe Trick or Treat - Oct 31 - 4:00 pm to 6:00 pmSip & Shop Holiday Kickoff - Dec 6 - 5:00 pm to 8:00 pmHyannis Main Street Holiday Stroll - Dec 7 - 12:00 am < 1 2