8–11am Potatohampton 5K Run/Walk in Honor of Peter Walsh Ages: 5 and upFundraisers Sports The Bridgehampton MuseumBridgehampton
8:30–11:30am Mashashimuet Park Friends and Family 5K Run/Walk Ages: 5 and upFundraisers Sports Mashashimuet ParkSag Harbor
9am–noon YMCA East Hampton RECenter 5K Run/Walk Ages: AllFundraisers Sports East Hampton Main BeachEast Hampton
11am–3:30pm Broom Making Demonstrations Ages: 5 and upFree History & Culture Southampton History MuseumSouthampton
4–7pm Second Annual Heart of Springs “Springfest 2025” Ages: AllFestivals Fundraisers Parsons Blacksmith ShopEast Hampton
10am–1pm 2nd Annual Montauk School PTA Fall Color Fun Run/Walk Ages: 5 and upFundraisers Sports Montauk SchoolMontauk
11am–5pm Montauk Chamber of Commerce Fall Fest Weekend Ages: AllAttractions Food & Drink Montauk Town GreenMontauk
Noon–1pm “Fall In”: WWII Basic Training Experience Ages: 13 and upFree History & Culture Southampton History MuseumSouthampton
10:30am–2pm 22nd Annual Serpent’s Back Mountain Bike Duathlon 2 mile run, 12 mile bike, 2 mile run Ages: AllFundraisers Sports Serpent’s BackMontauk
11am–5pm Montauk Chamber of Commerce Fall Fest Weekend Ages: AllAttractions Food & Drink Montauk Town GreenMontauk
5–6:30pm Arts. Creativity. Education (ACE) an OPEN HOUSE for Educators Ages: AllArt Classes The ChurchSag Harbor
9am–noon Hudsy 5K Run/Walk A 5K Run/Walk Honoring Joan Hudson Ages: 5 and upFundraisers Sports Quogue Elementary SchoolQuogue
11:30am–1:30pm The Dock Closing 3.3 Mile Race Ages: 5 and upFundraisers Sports Montauk Post OfficeMontauk
6:30–11pm Fishes & Wishes – Family Friendly New Year’s Eve Party Ages: All Long Island AquariumRiverhead
Brooklyn Paper Red Hook steps up for artists, business owners facing ‘complete destruction’ after warehouse fire