10 am – 4 pm Fixed in Time & Place History & Culture Sag Harbor Whaling & Historical MuseumSag Harbor
11 am Atlantic Base Ball Club 19th Century Base Ball Ages: AllFamily Free History & Culture The Smithtown Historical SocietySmithtown
Noon – 2 pm OPEN SPACES at The Watermill Center Ages: 3 – 8Art Environment Family The Watermill CenterWater Mill
1 – 4 pm Tour the Rocky Point Hallock Homestead Museum Free History & Culture Rocky Point Hallock Homestead MuseumRocky Point
2 – 4 pm The Matthiessen Talks: Bridging the Worlds of Spirit, Art & Activism with Chief Oren Lyons & Shane “Bizhiki Nibauit” Weeks Art Community The ChurchSag Harbor
2 – 11 pm The Cathedral of Saint Paul Greek Festival Ages: AllCommunity Family Festivals St. Paul Greek Orthodox CathedralHempstead
Today, 9 am Weekend Wonder Camp, featuring Camping 101: Pitching a Tent (ages 5-12) Project Most Community Learning Center
Today, 9 am Puleston’s Vagabonds, A Birding Club Saturdays 9am – 10am @ CEED CEED Washington Lodge 287 South Country Road, Brookhaven, NY, 11719