10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
1 – 4 pm Fall Festival Trunk or Treat BBQ Ages: 8 and underAttractions Community Family True Light ChurchSouthold
7 – 11 pm GHBC Halloween Party Ages: AllCommunity Dance Family Greenport Harbor Brewing Company’s Peconic Tasting RoomPeconic