10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 5 pm The Great Pumpkin Palooza at Lenny Bruno Farms Ages: AllAnimals Community Family Lenny Bruno FarmsManorville
1 – 4 pm Fall Festival Trunk or Treat BBQ Ages: 8 and underAttractions Community Family True Light ChurchSouthold
5:30 – 8:30 pm Family-Friendly Spooky Woods & Trick O’ Treat Ages: 3 – 12Community Family Festivals The Smithtown Historical SocietySmithtown
9:30 – 11 am Discover the Orthodox Christian Church (English Language Services) Ages: AllCommunity Family Free Holy Trinity Orthodox Church of East MeadowEast Meadow
10 am – 5 pm The Great Pumpkin Palooza at Lenny Bruno Farms Ages: AllAnimals Community Family Lenny Bruno FarmsManorville
Noon – 5 pm Halloween at The Heckscher Ages: 3 – 8Art Community Family The Heckscher Museum of ArtHuntington
5:30 – 8:30 pm Family-Friendly Spooky Woods & Trick O’ Treat Ages: 3 – 12Community Family Festivals The Smithtown Historical SocietySmithtown