All day Vote for Your Favorite Scarecrow! Ages: 3 and upFamily Free Halloween Stony Brook Village CenterStony Brook
9 am – noon Walk to End Alzheimer’s – North Babylon Free Fundraisers Belmont Lake State ParkNorth Babylon
9 am – noon AMSEAS Community Beach Cleanup at Lido Beach Town Park Community Environment Lido Beach Town ParkLido Beach
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
11 am – 5 pm Port Jefferson Oktober Harvest Fest Ages: AllFamily Festivals Free Village of Port JeffersonPort Jefferson
4 – 5 pm Soup & Salad in the Sukkah Ages: AllCommunity Family Food & Drink Chabad of the HamptonsEast Hampton