8 am – 6 pm Hicks Nurseries’ 35th Annual Flower & Garden Show Ages: AllAttractions Family Free Hicks NurseriesWestbury
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – 1 pm Long Island Trout Unlimited Fly Fishing Clinics 2025 Ages: 13 and upEnvironment Family Free Caleb Smith State Park PreserveSmithtown
11 am – 4 pm Monster Mayhem Scavenger Hunt Ages: 5 – 12Art Attractions Family The Whaling Museum & Education CenterCold Spring Harbor
11 am – noon Winter Seminar: “Get Your Garden Ready For Spring” Classes Environment Heritage Farm and GardenMuttontown
11 am – 3 pm LEGO Day at Your Library Ages: 8 and underExpo Family Free North Shore Public LibraryShoreham
2 – 4 pm Crafternoon (Ages 3 – 12 years) Ages: 3 – 12Community Craft & DIY Family Emma Clark LibrarySetauket
3 – 5 pm Free Concert: Shelter Island Friends of Music Presents Sirena Huang and Chih-Yi Chen Free Music Shelter Island Presbyterian ChurchShelter Island
March 20, 7 pm Bridging the Generational Gap: Uniting Women Across Ages for Progress Bay Shore – Brightwaters Public Library
Brooklyn Paper Founder of Brooklyn’s first women-only boot camp launches intimate wedding venue in Park Slope