Ghostly Gala 
Long Island Children's Museum
11 Davis Avenue, Garden City
October 24, 2015
Enjoy face painting, creepy crafts, and trick-or-treating throughout the museum.

The Great Jack-o'-Lantern Spectacular Sail
Belmont Lake State Park, Exit 38N on Southern State Pkwy, North Babylon
October 24, 2015
Free
Watch your carved pumpkin sail on Belmont Lake. Free activities include: trick or treating, kid-friendly spooky den, Halloween craft, balloon twisting, Frankinstein on stilts, games and more.

Halloween Festival
Madison Theater, Molloy College, 1000 Hempstead Ave., Rockville Centre
October 24, 2015
Free admission, paid activities available
Bouncy house, costume parade, face painting, balloon twisting, pumpkin painting, coloring, magic, fire trucks on display, scarecrow park and much more. 

Haunted Hatchery
Cold Spring Harbor Fish Hatchery & Aquarium
1660 Route 25A, Cold Spring Harbor
516-692-6768
October 24, 2015
Calling all witches, goblins, spiders and gnomes. Families enjoy a not-too-scary stroll through the Hatchery, along with trick-or-treating, games, crafts, and refreshments.

Halloween Parade
Bellmore Village
Bedford Ave., Bellmore
October 24, 2015
Free
Dress in costumes for the annual Halloween Parade and Trick or Treating down Bedford Avenue. No rain date.

Trunk or Treat
PAL Parking Lot
Sunrise Highway, Massapequa
October 24, 2015
Free
Crafts, bounce house, characters, trunk or treat, face painting, drawing, cotton candy, stilt walkers, popcorn, carnival games, DJ, rock wall, ceramics, petting zoo and more.

Halloween Party
Parent Resource Center, 232 Main Street, Port Washington
October 24, 2015
Music, petting zoo and crafts. Perfect for families with young kids under 6.

Halloween Party Extravaganza
Theater Three
412 Main Street, Port Jefferson
October 24, 2015
Costume parade, trick or treating, face painting, games, crafts, snacks and goodie bags.

Pumpkin Park
Adventureland Amusement Park
2245 Broad Hollow Road, Farmingdale
October 24 & 25, 2015
Guests of all ages are invited to wear costumes and enjoy trick-or-treating at the park.

Halloween Family Fun Day
Long Island Museum
1200 Route 25A, Stony Brook
October 25, 2015
Free
Visitors of all ages are invited to dress in costume and enjoy fun-filled activities including pumpkin painting, crafts, refreshments and trick-or-treating. Kids young and old will be mystified by The Great Bellini, presented by Magic of Amore, one of New York's top-rated magicians with more than 15 years of experience in the entertainment business.

Baby Costume Party
The Sandbox Playspace
​51 Gibson Ave., Huntington
October 29, 2015
Play time and costume party. 

Kidville Halloween Party
1183 Wantagh Ave., Wantagh
​October 30, 2015
Gym time, art table, trick or treating, Rockin' Railroad concert, costume contest and more.

Kidville Halloween Party
250 S Service Rd, Roslyn Heights
October 31, 2015
Gym time, trick or treating, crafts, games and tattoos. No tickets will be sold at the door. Advance purchase.

Halloween Parade
Merrick Avenue, Merrick
Trick or treat along Merrick Avenue as merchants give out free candy. 

Trick or Treat
Heckscher Museum of Art
2 Prime Ave., Huntington
Free (if dressed up)
Children who visit the Museum in costume on Halloween can participate in hands-on art activities while exploring the exhibitions with their families admission-free and will receive a special “treat.”

Malloween Extravaganza
Broadway Mall, 358B Broadway Mall, Hicksville
October 31, 2015
Free
Celebrate Halloween at the Broadway Mall. This mall-wide event will be filled with pumpkin painting, crafts, a costume contest and much more so come dressed in your best costume if you dare. Visit the Customer Service booth in the Target wing for free candy.

Trick or Treating
Long Beach Plaza
1 West Chester St., Long Beach
October 31, 2015
Free
Arts in the Plaza will present a trick-or-treating event at Kennedy Plaza. The event will also feature live music, hula hoop contest and a costume parade.

Safe Trick or Treating
Tanger Outlets
152 The Arches Circle, Deer Park
October 31, 2015
Free
Tanger Outlets is hosting a trick-or-treat event on Halloween. While the center is not entirely indoors, there are overhangs and a safe walking area. All stores will be handing out candy to visiting ghosts and goblins, provided they feature a Halloween decal on their entrance.

Halloween Happenings Trunk or Treat
Southampton Youth Services
1370a Majors Path, Southampton
October 31, 2015
Free
Decorate the trunk of your car, dress in costume and share in an afternoon of trick or treat from car trunk to car trunk. There will be prizes for best costume and trunk decoration. Enjoy arts & crafts, caramel apple making and more! Parents are welcomed to bring their children into the Haunted Path.

Spooky Hide and Seek
Camp Hero State Park
1898 Montauk Highway, Montauk
Park naturalists lead a scavenger hunt for spooky items through Camp Hero State Park. Costumes are recommended and trick-or-treating follows.

Clubhouse Costume Party
The Clubhouse
1354 Clubhouse Road, Bellmore
October 31, 2015
Free
Prizes for best costume, goodie bags, giveaways. Complimentary hot dogs, chicken fingers, fries and popcorn.

Halloween Festival
Stony Brook Center
Main Street, Stony Brook
October 31, 2015
Free
The Stony Brook Center is hosting a Halloween Festival, featuring Trick-or-Treating at local merchants. The event will also feature a scarecrow competition and games.

Trick or Treating
Main Street, Westhampton Beach
October 31, 2015
Free
Main Street in Westhampton Beach will be open to trick-or-treaters (but closed to traffic) between Mill Road and Mitchell Road.

Candyland
83 Shirley Court, Commack
October 31, 2015
Free
Life-sized Candyland experience. Real Candyland characters. 25 cars filled with candy for trunk or treating. Games. Live Music. Pictures. 

Bats, Barnacles & Broomsticks
Long Island Aquarium Long Island Aquarium & Exhibition Center, 431 E Main S, Riverhead 
November 1, 2015
Celebrate Halloween – Aquarium style. All “buoys” and “ghouls” in costume will get 50% off admission with a paying adult  (one child 12 years and under, per adult). Children will gather sweets and treats with their Safe Trick or Treating throughout the Aquarium. The Unearthing Atlantis Dig will be transformed into a spooktacular haunted house by the amazing special effects team at Darkside Haunted House. They will have face painting, craft and game stations, hay rides, pumpkins to paint and more!