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
10 am – 4:30 pm Heritage Fall Festival 2024 Ages: AllFamily Festivals Food & Drink Heritage Farm and GardenMuttontown
11 am – 4 pm Secret Sirens Ages: 5 and upArt Family Free The Whaling Museum & Education CenterCold Spring Harbor
1 – 4 pm Fall Festival Trunk or Treat BBQ Ages: 8 and underAttractions Community Family True Light ChurchSouthold
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 – 4:30 pm Heritage Fall Festival 2024 Ages: AllFamily Festivals Food & Drink Heritage Farm and GardenMuttontown
11 am – 4 pm Secret Sirens Ages: 5 and upArt Family Free The Whaling Museum & Education CenterCold Spring Harbor
Noon – 5 pm Halloween at The Heckscher Ages: 3 – 8Art Community Family The Heckscher Museum of ArtHuntington