9 am – noon Mr. Long See You Out There 5K Run/Walk Ages: AllFamily Fundraisers Sports East Quogue Elementary SchoolEast Quogue
9 am – 4 pm Long Island Island Kennel Club Show Ages: AllAnimals Expo Family Planting Fields ArboretumOyster Bay
9:30 am – 4 pm Nassau Reptile Expo Ages: AllAnimals Expo Family Globall Sports Centers – NassauGarden City
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
11 am – 4 pm Museum Adventure Activity: Scrimshaw Secrets Ages: 5 – 12Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – noon A Visit with Debra Scala Giokas, author of Ladies, First: Common Threads Books & Readings Free Rogers Memorial LibrarySouthampton
11:30 am – 4:30 pm Long Island Horsemen’s Association Annual Equestrian Festival Ages: AllAnimals Family Free Muttontown PreserveMuttontown
Noon – 5 pm Spring Group Exhibition and Artists’ Reception Art Cultural Alex Ferrone GalleryCutchogue
Noon – 11 pm Bald Hill Fair at Catholic Health Amphitheater Ages: AllAttractions Family Festivals Catholic Health Ampitheater at Bald HillFarmingville
1 – 2 pm Science Saturday: The Interesting World of Insects Ages: AllAttractions Family Long Island Science CenterRiverhead
2 – 4 pm 7 pm WHBPAC Arts Academy Performance – The 25th Annual Putnam County Spelling Bee Ages: AllFamily Theater Westhampton Beach Performing Arts CenterWesthampton Beach
6 – 10 pm Glow in the Park at The Adventure Park at Long Island Ages: AllFamily Health & Fitness Outdoors The Adventure Park at Long IslandWheatley Heights
Various Don’t Let the Pigeon Drive the Bus! The Musical! Ages: 3 – 8Attractions Family Theater Long Island Children’s MuseumGarden City
8:30 am – noon Howie Levy 5K Run/Walk Ages: AllFamily Fundraisers Sports Eisenhower Park FIELD 2East Meadow
9 am – 4 pm Long Island Island Kennel Club Show Ages: AllAnimals Expo Family Planting Fields ArboretumOyster Bay
9 – 11 am Donate Your Used Bikes! Support NISI (Neighbors in Support of Immigrants) Community Free Temple Adas Israel Sag Harbor, NYSAG HARBOR