9 am – noon Run For Heroes 5K Run/Walk Ages: 5 and upFamily Fundraisers Sports Setauket Fire DepartmentSetauket
9 am – 4 pm Southampton History Museum Carriage House Thrift Shop Free History & Culture Southampton History MuseumSouthampton
9 am – 7 pm Art Show: “LOOK UP” – Photography by Jean Schweibish Art Free Mattituck-Laurel LibraryMattituck
9:30 – 10:15 am Toddler & Teeny Tumbling (ages 18mos – 3yrs) Classes Project Most Community Learning CenterEast Hampton
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 4 pm Sculpture in the Garden: Sarah Sze at Landcraft Gardens Art Environment Landcraft Garden FoundationMattituck
10 am – 3:30 pm Ride, Taste, Pick: A Wine Country Immersion Food & Drink Outdoors East End Bike ToursMattituck
10 am – 3:30 pm Vines, Views & Velos: An Electric Ride Through Wine Country’s Finest Food & Drink Outdoors East End Bike ToursMattituck
10 am – 4 pm 2025 Eastern Long Island Quilter’s Guild Exhibit and Yard Sale Craft & DIY Hallockville Museum FarmRiverhead
10 am – 4 pm When Women Wore Whales Art History & Culture Sag Harbor Whaling & Historical MuseumSag Harbor
10 am – 4 pm The Atelier at Flowerfield is excited to present “Long Island Landscapes,” a dual exhibition of local artists Jonathan Van Brunt and Patricia Yantz opening Thursday, August 14th Art Classes The Atelier at FlowerfieldSt. James
10 am – 5 pm The Long Island Fair Ages: AllAnimals Family Festivals Old Bethpage Restoration VillageOld Bethpage
10 am – noon 10th Annual Heroes Against Heroin 5K Walk at Jones Beach Ages: AllFamily Fundraisers Jones Beach State Park, Field 1Wantagh
10 am – noon Wilderness Survival Series – Making Fire with Sparks Outdoors Sands Point PreserveSands Point
10 am – 1 pm ReWild North Fork & SPCA Fall Sustainable Meadow Tour Environment Free Custer ObservatorySouthold
10 am – 4 pm 72nd Annual St. John’s Church County Fair Ages: AllAttractions Family Festivals St John’s of LattingtownLocust Valley
10 am – 5 pm Hicks Nurseries 50th Annual Fall Festival Ages: AllFamily Festivals Free Hicks NurseriesWestbury
10 am – 3 pm St Cuthbert’s Community Yard and Craft Sale Community Craft & DIY St Cuthbert’s Episcopal ChurchSelden
10:30 am – noon Docent Tours in the Landcraft Garden Environment Outdoors Landcraft Garden FoundationMattituck
10:30 am – 2 pm 2025 Rummage Sale at St. Luke’s, Forest Hills Attractions St. Luke ‘s Episcopal ChurchEast Hampton
11 am – 4 pm Legendary Crafts Ages: AllArt Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – 1 pm Tintype Photography Talk & Demonstration Art History & Culture Northport Historical Society and MuseumNorthport
11 am – noon Tour of the Beebe Windmill with Southampton Town Historian Julie Greene Free History & Culture Beebe WindmillBridgehampton
11 am – 4 pm Jolly Roger Scavenger Hunt Ages: 3 and upAttractions Family Free The Whaling Museum & Education CenterCold Spring Harbor
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
Today, noon Greenport Harbor Brewing Company Presents Contemporary Artist Gavin Zeigler Greenport Harbor Brewing Company’s Greenport Tasting Room
Long Island Press Gun threat cancels Locust Valley school board meeting, security ramped up at schools