6 – 10 pm Huntington YMCA Memorial Day Weekend Carnival Ages: AllAttractions Family Festivals Huntington YMCAHuntington
7 – 9 pm Free Line Dancing Lessons and Party at Southold Historical Museum Classes Community Southold Historical Museum Maple Lane ComplexSouthold
10 pm Party in the Hamptons with DJ Hugo at Calissa on 5/22, 5/25, 5/30 Dance Music Calissa HamptonsWater Mill
10 pm Party in the Hamptons with DJ JSTEF at Calissa on 5/23 Music Nightlife Calissa HamptonsWater Mill
8 am Spring Migration – Birding at Hither Hills with Wayne Whitmore Animals Environment South Fork Natural History Museum (SoFo)Bridgehampton
9 am – 12:30 pm Long Island Lemonade Trail 5K Run/Walk Ages: AllFamily Fundraisers Sports Blydenburgh County ParkHauppauge
9 – 10 am Puleston’s Vagabonds, A Birding Club Saturdays 9am – 10am @ CEED Animals Community CEED Washington Lodge 287 South Country Road, Brookhaven, NY, 11719Brookhaven,
9:30 am Black Racer Snake Search with Andy Sabin Animals Environment South Fork Natural History Museum (SoFo)Bridgehampton
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 5 pm World Turtle Day Celebration Ages: AllAnimals Environment Family Cold Spring Harbor Fish Hatchery & AquariumCold Spring Harbor
10 am – 6 pm Harbes Baby Animal Festival Ages: 3 and upAnimals Family Festivals Harbes Family FarmMattituck
10 am – 1 pm En Plein Air with Howard Rose at The Corwith House Art Classes The Corwith HouseBridgehampton
10 am – 4 pm Fixed in Time & Place History & Culture Sag Harbor Whaling & Historical MuseumSag Harbor
10 am – 5 pm “Where Light Meets Water” Art Show Inspired by the North Sea Art Community North Sea Community SchoolhouseSouthampton
10 am Beginner’s Nature Photography Workshop with Fish Guy Photos Chris Paparo Environment South Fork Natural History Museum (SoFo)Bridgehampton
10 am Salamander Seining and Some Frogs too, With Andy Sabin Environment South Fork Natural History Museum (SoFo)Bridgehampton
10 am – 4 pm Revolutionary War reenactment of Meig’s Raid Free History & Culture Sag Harbor Whaling & Historical MuseumSag Harbor
10:30 am – noon Docent Tours in the Landcraft Garden Environment Outdoors Landcraft Garden FoundationMattituck
11 am – 4 pm Release the Kraken! Scavenger Hunt Ages: 3 and upArt Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – 4 pm Up-Cycled Ocean Crafts Ages: AllArt Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – 1:30 pm Beach/Nautical Themed String Art Workshop w/Marta of Made by M Classes Craft & DIY Nest on MainNorthport