All day Walt Whitman Birthplace Museum – Girl Scout Programs! Ages: 5 – 12Art Classes Family Walt Whitman BirthplaceHuntington Station
8 am – 5 pm Long Island Celtic Festival and Highland Games Ages: AllFamily Festivals History & Culture Old Westbury GardensOld Westbury
10 am – 4 pm When Women Wore Whales Art History & Culture Sag Harbor Whaling & Historical MuseumSag 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
Noon – 4 pm Heritage Country Fair Ages: AllAnimals Family Festivals The Smithtown Historical SocietySmithtown
Noon – 11 pm Island Park Greek Festival Ages: AllAttractions Family Festivals Panaghia of Island ParkIsland Park
Noon – 12:45 pm Falaise Tours at Sands Point Preserve History & Culture Tours Sands Point PreserveSands Point
1 – 4 pm Tour the Rocky Point Hallock Homestead Museum Free History & Culture Rocky Point Hallock Homestead MuseumRocky Point
1 – 11 pm Port Jefferson Greek Festival Ages: AllAttractions Family Festivals Greek Orthodox Church of the AssumptionPort Jefferson
2 – 2:45 pm Falaise Tours at Sands Point Preserve History & Culture Tours Sands Point PreserveSands Point
Tomorrow, all day Witness the Live Recording of Unscripted: Artists Outside the Frame The Firefly Artists
Tomorrow, midnight Royal Botania, Thayers, and The Roundtree, Amagansett Launch a Summer Design Pop-Up The Roundtree, Amagansett
Long Island Press Glen Head-trained Mia Finegan, Gloria Rosendo earn 1st in national karate competition