6:30 – 7:30 pm Full Hunter’s Super Moon Hike Environment Free South Fork Natural History Museum (SoFo)Bridgehampton
5:30 – 6:30 pm Planning for the Future: How New Tax Laws Could Affect Your Estate Ages: AllClasses Community Family Montauk LibraryMontauk
7 – 8 pm “The First Science from the Vera Rubin Observatory” (A Free, Virtual Lecture) Ages: 9 and upCaribbean Community Family Hamptons Observatory with Suffolk County Community College (online)East Hampton
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 – 5 pm STEM•X Festival 2025 Ages: AllFamily Festivals Free Cradle of Aviation MuseumGarden City
10 am – 1 pm Friends of the Long Pond Greenbelt Celebration Environment Free South Fork Natural History Museum (SoFo)Bridgehampton
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
11 am – 5 pm Montauk Chamber of Commerce Fall Fest Weekend Ages: AllAttractions Family Food & Drink Montauk Town GreenMontauk