10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Environment Free Hallock State Park PreserveRiverhead
3 – 9 pm OKTOBERFEST at Reflextions Riverhead Ages: AllFamily Festivals Food & Drink Milton L. Burns ParkRiverehad
5 – 6 pm Great Decisions Foreign Policy Association: SCIENCE ACROSS BORDERS Free Talks Quogue Library IncQuogue
6 – 7:30 pm Exhibition Opening of Yes, No, WOW : The Push Pin Studios Revolution Art Community The ChurchSag Harbor