All day Long Island History Hunt Ages: 5 and upFamily Free History & Culture Sportime Pickleball YorktownYorktown Heights
All day Walt Whitman Birthplace Museum – Girl Scout Programs! Ages: 5 – 12Art Classes Family Walt Whitman BirthplaceHuntington Station
All day Arts & Archives 2025-Art Show Benefitting The Springs Historical Society & Community Library Art Free Ashawagh Hall
6:30 – 10:30 am Lightning Warriors’ 6th annual Mini Maniac Triathlon Ages: AllFamily Sports Smith Point County ParkShirley
8:30 am – 5 pm 11th Annual Port Jefferson Dragon Boat Race Festival Ages: AllFamily Festivals Free Jeanne Garant Harborfront ParkPort Jefferson
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
