All day Vote for Your Favorite Scarecrow! Ages: 3 and upFree Halloween Stony Brook Village CenterStony Brook
9 am – noon Great Pumpkin Dash Trail 5K Run/Walk Ages: AllFundraisers Halloween Blydenburgh County ParkHauppauge
10 – 11 am Noon – 1 pm 1 – 2 pm The Witch’s Cat at bkOne Ages: 5 – 8Halloween Holiday bkOneIndustry City
11 am – 7 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
5 – 11 pm Jimmy Fallon’s Tonightmares Ages: 13 and upAttractions Halloween Rockefeller Center Rink LevelManhattan
6 – 9:30 pm SpookyFest Ages: AllFestivals Halloween Center for Science Teaching and Learning-Tanglewood PreserveRockville Center
6 – 10 pm Tim Burton’s The Nightmare Before Christmas Light Trail Ages: AllAttractions Halloween New York Botanical GardenBronx