All day Long Island History Hunt Ages: 5 and upFamily Free History & Culture Sportime Pickleball YorktownYorktown Heights
All day Arts & Archives 2025-Art Show Benefitting The Springs Historical Society & Community Library Art Free Ashawagh Hall
All day 8th Annual Scarecrow Contest at The Shoppes Ages: AllAttractions Community Family The Shoppes at East WindWading River
8:30 am – 5 pm 11th Annual Port Jefferson Dragon Boat Race Festival Ages: AllFamily Festivals Free Jeanne Garant Harborfront ParkPort Jefferson
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
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
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 – 1 pm ReWild North Fork & SPCA Fall Sustainable Meadow Tour Environment Free Custer ObservatorySouthold
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 – 1 pm Your Health Story Matters: A Workshop on Taking & Understanding Your Health History Community Free Uniondale American LegionUniondale
Noon – 5 pm All of Me with All of You: LGBTQ+ Art Out of the Collection Art Free Heckscher Museum of ArtHuntington
Noon – 5 pm Beyond the Present: Collecting for the Future Art Community Southampton Arts CenterSouthampton
Noon – 5 pm “All We See” presented by East End Photographers Group Art Free The Depot Art GalleryMontauk
Noon – 5 pm Draw Out! Community Arts Festival Ages: AllArt Family Free Heckscher Museum of ArtHuntington
1 – 4 pm Tour the Rocky Point Hallock Homestead Museum Free History & Culture Rocky Point Hallock Homestead MuseumRocky Point
1 – 5 pm Mid Island Dahlia Society’s 59th Annual Dahlia Exhibition Show Free Burns Hoticultural Center; Planting Fields ArboretiumOyster Bay
2 – 6 pm Daisuke Kiyomiya: Forms of Perception Art Attractions The Arts Center at Duck CreekEast Hampton
Today, 7 pm Seeing the Night Sky Through Timelapse Photography (A Free, Virtual Lecture) Hamptons Observatory (online)