10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 6 pm Harbes Mother’s Day Festival Ages: 3 and upAnimals Family Festivals Harbes Family FarmMattituck
10 am – 5 pm Mini Golf in the Library Ages: AllCommunity Family Fundraisers Hampton Bays Public LibraryHampton Bays
11 am – 4 pm Museum Adventure Activity: Scrimshaw Secrets Ages: 5 – 12Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
Noon – 2 pm A Very Lovely Mother Ages: 3 – 12Attractions Craft & DIY Family Long Island Children’s MuseumGarden City
Noon WHBPAC Arts Academy Performance – The Best of Broadway Ages: AllFamily Theater Westhampton Beach Performing Arts CenterWesthampton Beach
Noon – 5 pm Spring Group Exhibition and Artists’ Reception Art Cultural Alex Ferrone GalleryCutchogue
Noon – 11 pm Bald Hill Fair at Catholic Health Amphitheater Ages: AllAttractions Family Festivals Catholic Health Ampitheater at Bald HillFarmingville
1 – 4 pm Bridgerton Blossoms Spring Soiree Ages: AllAttractions Craft & DIY Family Tanger Outlets Deer ParkDeer Park
1 – 10 pm 2nd Annual Fling into Spring Carnival Ages: AllAttractions Family Festivals Christopher Morley ParkRoslyn
6 – 10 pm Glow in the Park at The Adventure Park at Long Island Ages: AllFamily Health & Fitness Outdoors The Adventure Park at Long IslandWheatley Heights