10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 4 pm Fixed in Time & Place History & Culture Sag Harbor Whaling & Historical MuseumSag Harbor
10 am – 4 pm 47th Annual Kings Park Day Town Fair Ages: AllAttractions Community Family Kings Park Day Town FairKings Park
10 am – 4 pm Sculpture in the Garden: Sarah Sze at Landcraft Gardens Art Environment Landcraft Garden FoundationMattituck
10 am – 5 pm Splish Splash Father’s Day Flop Contest Ages: AllAttractions Family Holiday Splish Splash WaterparkCalverton
10 am – noon Wilderness Survival Series: Foraging for Food & Medicine Outdoors Sands Point PreserveSands Point
10 am – noon Adult + Child Art Class With Deborah Acquino Ages: 5 and upArt Craft & DIY Family Southampton Arts CenterSouthampton
10 am – 12:30 pm Flower and Foliage Arrangements with Lilee Fell Art Craft & DIY Landcraft Garden FoundationMattituck
10 am – 1 pm Marine Biology Cruise on Shinnecock Bay Animals Boating South Fork Natural History Museum (SoFo)Bridgehampton
10 am – 3:30 pm Ride, Taste, Pick: A Wine Country Immersion Food & Drink Outdoors East End Bike ToursMattituck
10 am – noon Father’s Day Weekend at Belmont Park Village Ages: AllFamily Free Holiday Belmont Park VillageElmont
10:30 am – noon Docent Tours in the Landcraft Garden Environment Outdoors Landcraft Garden FoundationMattituck
11 am – 4 pm Father’s Day Weekend Ages: 5 and upArt Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – 11 pm Mattituck Lions Club 70th Annual Strawberry Festival Ages: AllAttractions Family Festivals Mattituck Lions Club Strawberry FestivalMattituck
11 am – 4 pm Long Island’s Inaugural Summer Home & Craft Show Craft & DIY Expo Hyatt Regency Long IslandHauppauge
11 am – 4 pm Crafting with Pride Ages: AllAttractions Craft & DIY Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – 1 pm Drag Bingo Brunch with Toni Homeperm Community Food & Drink Babylon United Methodist ChurchBabylon
11 am – 4 pm The Wizard’s Quest Ages: 5 and upArt Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – noon STEM: Lights, Mirrors, Explore! (ages 3-12) Classes Project Most Community Learning CenterEast Hampton
Noon – 5 pm INDEPENDENCY: THE AMERICAN FLAG AT 250 YEARS Art Community Southampton Arts CenterSouthampton