10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 4 pm Sculpture in the Garden: Jorge Pardo at Landcraft Gardens in Mattituck. Art Outdoors Landcraft Garden FoundationMattituck
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Environment Free Hallock State Park PreserveRiverhead
10 am – 4 pm Bats, Barnacles & Broomsticks Halloween Party Ages: AllFamily Halloween Holiday Long Island AquariumRiverhead
1 – 2 pm Science Saturdays: Spa Chemistry Candy Corn Bath Bombs Ages: 5 – 12Family Halloween Holiday Long Island Science CenterRiverhead
1 – 4 pm Fall Festival Trunk or Treat BBQ Ages: 8 and underAttractions Community Family True Light ChurchSouthold
2 – 3 pm Steve Wick Author Talk “All That Remains” Books & Readings Free Cutchogue New Suffolk Free LibraryCutchogue
7 – 11 pm GHBC Halloween Party Ages: AllCommunity Dance Family Greenport Harbor Brewing Company’s Peconic Tasting RoomPeconic
Dan’s Papers Local Executives Team Up with Habitat for Humanity of Greater Palm Beach County for Annual Executive Build in Lake Worth Beach