All day Vote for Your Favorite Scarecrow! Ages: 3 and upFamily Free Halloween Stony Brook Village CenterStony Brook
11 am – 4 pm Secret Sirens Ages: 5 and upArt Family Free The Whaling Museum & Education CenterCold Spring Harbor
4 – 8 pm Parrish Art Museum | Family Film | Night at the Museum Ages: AllArt Family Film Parrish Art MuseumWater Mill
4:30 – 7:30 pm Madeline Daversa @ M&T Platinum Bank Artist Reception Ages: 13 and upArt Community Family M&T Platinum BankWesthampton
5 – 9 pm Halloween House Long Island Ages: 13 and upAttractions Family Halloween Broadway CommonsHicksville
6 – 7 pm 6 – 7 pm Club 8: Ridiculously Fun Social Skills Group for Teens Ages: 13 and upCommunity Family Club 8Plainview
7 – 9 pm Hallow Glow Skate Party Ages: 3 and upAttractions Family Halloween United Skates of AmericaSeaford
7 – 9 pm Flight Adventure Park Ronkonkoma Fright Night Ages: 13 and upAttractions Community Family Flight Adventure ParkRonkonkoma