6 – 7 pm Brookhaven Town Christmas Tree Lighting Ages: 3 and upAttractions Christmas Family Holtsville Ecology SiteHoltsville
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Environment Free Hallock State Park PreserveRiverhead
10 am – 4:30 pm Heritage Farm & Garden Thanksgiving Harvest Festival Outdoors Heritage Farm and GardenMuttontown
10 am – 4:30 pm Heritage Farm & Garden Thanksgiving Harvest Festival Outdoors Heritage Farm and GardenMuttontown