8 am – 6 pm Hicks Nurseries’ 35th Annual Flower & Garden Show Ages: AllAttractions Family Free Hicks NurseriesWestbury
8:30 – 11:30 am Heckscher State Park Marathon, Half Marathon & 5K Ages: AllFamily Fundraisers Sports Heckscher State ParkEast Islip
10 am – 5 pm Moon to Mars Ages: 8 and underAttractions Family Long Island Children’s MuseumGarden City
10 am – 6 pm Photos with the Easter Bunny at the Milleridge Ages: AllEaster Family Holiday The Milleridge VillageJericho
10 – 11 am Water Balloon Drop Challenge at CMEE Ages: AllFamily Children’s Museum of the East EndBridgehampton
11 am – 4 pm Museum Adventure Activity: Deep Sea Explorers Ages: 3 – 12Art Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – 4 pm Monster Mayhem Scavenger Hunt Ages: 5 – 12Art Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – 6 pm Milleridge Inn Pop Up Vendor Market Ages: 5 – 8Family Festivals Food & Drink The Milleridge InnJericho
Noon 2025 Lindenhurst St. Patrick’s Day Parade Ages: AllFamily Free History & Culture Firemans Memorial ParkRidge, NY
Noon – 7 pm Easter Photos & Activities Ages: AllEaster Family Holiday Tanger Outlets – Deer ParkDeer Park
1 – 2 pm Science Saturday: Catapult Engineering Lab Ages: 5 – 12Family Long Island Science CenterRiverhead
Tomorrow, 12:30 pm Poisoned Waters Documentary Screening at Stonybrook University hosted by The Peconic Estuary Partnership and the Social Impact Documentary Course Tabler Box Theatre Stony Brook University West Campus