6:30 – 9 pm Nocturnal Critters Ages: 5 and upEnvironment Family Science Museum Of Long IslandManhasset
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 5 pm Moon to Mars Ages: 8 and underAttractions Family Long Island Children’s MuseumGarden City
11 am – 4 pm Museum Adventure Activity: Deep Sea Explorers Ages: 3 – 12Art Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am 3 pm Don’t Let the Pigeon Drive the Bus! The Musical! Ages: AllFamily Music Theater Cm Performing Arts CenterOakdale
10 am – 5 pm Moon to Mars Ages: 8 and underAttractions Family Long Island Children’s MuseumGarden City
10 am Don’t Let the Pigeon Drive the Bus! The Musical! Ages: AllFamily Music Theater Cm Performing Arts CenterOakdale
11 am – 4 pm Museum Adventure Activity: Deep Sea Explorers Ages: 3 – 12Art Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
Noon – 3 pm Long Island Family Ultimate Camp Fair & Activity Expo Ages: AllExpo Family Free Cradle of Aviation MuseumGarden City
Noon – 1 pm SENSORY FRIENDLY MUSICAL-Seussical Ages: AllFamily Free Special Needs Syosset Public LibrarySyosset
10:30 – 11:30 am Parents of Tots! Ages: 2 and underCommunity Family Free Medford Branch, Patchogue Medford LibraryMedford
8:30 – 11:30 pm Mandatory Monday Adult Night with DJ Arson Music Nightlife United Skates of AmericaSeaford
10 am – 5 pm Moon to Mars Ages: 8 and underAttractions Family Long Island Children’s MuseumGarden City
10 am – 5 pm Moon to Mars Ages: 8 and underAttractions Family Long Island Children’s MuseumGarden City
3:45 – 4:45 pm Woah, Reactive STEAM! Ages: 5 – 12Classes Family Project Most Community Learning CenterEast Hampton