All day Vote for Your Favorite Scarecrow! Ages: 3 and upFree Halloween Stony Brook Village CenterStony Brook
11 am – 9 pm Halloween House Long Island Ages: 13 and upAttractions Halloween Broadway CommonsHicksville
4:30 – 5:30 pm 6 – 7 pm Harbor Haunts Walking Tour Ages: 5 and upAttractions Halloween The Whaling Museum & Education CenterCold Spring Harbor
4:30 – 7 pm Lights Out @ the Museum Ages: 3 and upArt Attractions The Whaling Museum & Education CenterCold Spring Harbor
6 – 9:30 pm SpookyFest Ages: AllFestivals Halloween Center for Science Teaching and Learning-Tanglewood PreserveRockville Center