9 am – noon Morning at the Museum Ages: 3 and upCommunity Family Free Suffolk County Vanderbilt MuseumCenterport
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 1 pm Friends of the Long Pond Greenbelt Celebration Environment Free South Fork Natural History Museum (SoFo)Bridgehampton
10 am – 1 pm Free Family Fun: 26th Annual Celebration of the Long Pond Greenbelt Ages: 5 – 12Environment Family Free South Fork Natural History Museum (SoFo)Bridgehampton
10 am – 5 pm STEM•X Festival 2025 Ages: AllFamily Festivals Free Cradle of Aviation MuseumGarden City
11 am – 4 pm Homefront to Battlefront: Southampton during World War II Free History & Culture Veterans Memorial HallSouthampton
11 am – 5 pm Montauk Chamber of Commerce Fall Fest Weekend Ages: AllAttractions Family Food & Drink Montauk Town GreenMontauk
Noon – 1 pm “Fall In”: WWII Basic Training Experience Ages: 13 and upFamily Free History & Culture Southampton History MuseumSouthampton
7 – 9 pm New Space by Jonathan Nash Glynn Art Free The Tractor Barn at The Corwith HouseBridgehampton
11 am – 5 pm Montauk Chamber of Commerce Fall Fest Weekend Ages: AllAttractions Family Food & Drink Montauk Town GreenMontauk
Noon – 6 pm Oyster Fest at GHBC Ages: 9 – 12Community Family Festivals Greenport Harbor Brewing Company’s Greenport Tasting RoomGreenport
Today, 10 am Adopt a Patch Work Session: Friends of the Long Pond Greenbelt South Fork Natural History Museum (SoFo)
Today, 10 am Vines, Views & Velos: An Electric Ride Through Wine Country’s Finest East End Bike Tours
Today, 10 am The “725 Art Show” at the Sag Harbor Whaling and Historical Museum Sag Harbor Whaling & Historical Museum