5 – 6:30 pm Chess Club at the Flanders Youth Center Ages: 5 – 8Family Free The Flanders Youth CenterCenterport
9 am – 5 pm Long Island Orchid Festival Art Expo Planting Fields Arboretum State Historic ParkOyster Bay
7 – 8 pm The Perlman Music Program Season Opening Concert Concert Free The Perlman Music ProgramShelter Island Heights
All day “The Art of Photography East End Photographers Group Photo Exhibition Art Free Ashawagh HallEast Hampton
9 am – 5 pm Long Island Orchid Festival Art Expo Planting Fields Arboretum State Historic ParkOyster Bay
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 5 pm The 8th Annual Wantagh Spring Festival Ages: AllFamily Festivals Free Wantagh Train StationWantagh
3 – 6 pm Grand Opening: Champion Martial Arts Carle Place Ages: AllCommunity Family Free Champions Martial Arts HQCarle Place
9 am – 5 pm Long Island Orchid Festival Art Expo Planting Fields Arboretum State Historic ParkOyster Bay
10 am – 5 pm HarborFest Dock Day and Craft Fair Ages: AllFamily Festivals Free Town DockPORT WASHINGTON
Noon – 3 pm Grand Opening: Champion Martial Arts Carle Place Ages: AllCommunity Family Free Champions Martial Arts HQCarle Place
5 – 6:30 pm Chess Club at the Flanders Youth Center Ages: 5 – 8Family Free The Flanders Youth CenterCenterport