10 am – 4 pm The “725 Art Show” at the Sag Harbor Whaling and Historical Museum Art Sag Harbor Whaling & Historical MuseumSag Harbor
10:30 am – 2 pm 22nd Annual Serpent’s Back Mountain Bike Duathlon 2 mile run, 12 mile bike, 2 mile run Ages: AllFamily Fundraisers Sports Serpent’s BackMontauk
10:30 am – 12:30 pm Selfcare Sunday at Seven Beach Lane with GabnFlow! Beauty Health & Fitness Seven Beach LaneWesthampton Beach
11 am – 3 pm Custom House in Sag Harbor Open for Tours Saturdays & Sundays through October 12 Attractions History & Culture Custom House Sag HarborSag Harbor
11 am – 5 pm Montauk Chamber of Commerce Fall Fest Weekend Ages: AllAttractions Family Food & Drink Montauk Town GreenMontauk
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
Today, 11 am Custom House in Sag Harbor Open for Tours Saturdays & Sundays through October 12 Custom House Sag Harbor