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
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
6 – 7 pm Club 8: Ridiculously Fun Social Skills Group for Teens Ages: 13 and upCommunity Family Club 8Plainview
6 – 8:30 pm The Friday Pre-Teen Project (grades 5-8) Classes Free Project Most Community Learning CenterEast Hampton
9:30 am – 12:30 pm Kings Park 15K Run Ages: AllFamily Fundraisers Sports New Beginnings of Kings ParkKings Park
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
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
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
5 – 6 pm Parents of Tots! Ages: 2 and underCommunity Family Free Medford Branch, Patchogue Medford LibraryMedford