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Earth Day, Spring Fests, and More Things To Do on Long Island this Weekend with Kids

Planting Fields hosts a fun-filled weekend of family-friendly activities in honor of Arbor Day. Photo courtesy of the arboretum
Planting Fields hosts a fun-filled weekend of family-friendly activities in honor of Arbor Day. Photo courtesy of the arboretum
4/25/25 - By Jaime Sumersille

Looking for the best things to do on Long Island this weekend? Here are some family-friendly events and activities to add to your schedule.

Set your sights high this weekend at the FREE Kite Festival at Robert Moses State Park, or enjoy seasonal festivals in Stony Brook and Sayville. Of course, Mother Earth gives Long Islanders another reason to celebrate in April with this slate of Earth Day activities and events.

Plus, Lenny Bruno hosts its annual spring kickoff, celebrating all things sweet: melons, sunflowers, and sweet corn—plus tons of family fun. 

Read on for all our top picks for things to do on Long Island this weekend.

More Things To Do on Long Island this Week with Kids

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Best Things To Do on Long Island this Weekend with Kids

Arbor Day Celebration at Bayard Cutting Arboretum

Great River – FREE
Saturday, April 26
Commemorate Arbor Day with a visit to Bayard Cutting Arboretum. The holiday marks the launch of its education program, and visitors are invited for a morning full of activities. READ MORE

Slime Workshop at the Children's Museum of the East End

Bridgehampton
Saturday, April 26
Have an ooey gooey time making slime during this workshop at the Children's Museum of the East End. READ MORE

Spring Appreciation Day in Stony Brook

Stony Brook – FREE
Saturday, April 26
The Ward Melville Heritage Organization and Stony Brook Village celebrate all things spring with this day-long festival in the village center. Enjoy live music, games, a petting zoo, and more family-friendly fun. READ MORE

Sayville Spring Fest

Sayville – FREE
Saturday, April 26
The annual Sayville Spring Fest includes the Easter Bunny, music, food, family fun, animals, games, and more on Gillette Avenue. Enjoy sidewalk sales, raffles, giveaways, a petting zoo, scavenger hunt, bounce house, crafts, a magician, princesses, a jelly bean jar contest, and more. READ MORE

Touch-a-Truck at East Meadow High School

East Meadow – FREE
Saturday, April 26
Stop by this touch-a-truck event to get up close and personal with the vehicles that keep our community moving forward. Featured vehicles include construction trucks, food trucks, waste management and recycling trucks, and specialty vans. READ MORE

Earth Day Celebration at the Quogue Wildlife Refuge

Quogue – FREE
Saturday, April 26
This free Earth Day celebration at the Quogue Wildlife Refuge includes guided birding walks, live animal presentations, crafts, environmental exhibitors, and self-guided kayaking and canoeing on Old Ice Pond.  READ MORE

Earth Day Celebration at the Nassau County Museum of Art

Roslyn
Saturday, April 26
Join the Nassau County Museum of Art for a ribbon cutting to celebrate NCMA’s Grassland Restoration Project. After the ceremony, the museum kicks off its Earth Day festivities with nature-inspired activities for all ages.  READ MORE

Superheroes of the Sky at Sweetbriar Nature Center

Smithtown
Saturday, April 26
Take a walking tour with a nature educator while he feeds birds of prey at the Sweetbriar Nature Center and describes the incredible adaptations that help them survive in the wild. READ MORE

Spring Kick Off at Lenny Bruno Farms

Manorville
Saturday, April 26-Sunday, April 27
Lenny Bruno hosts its annual spring kickoff event. It's a celebration of all things sweet: melons, sunflowers, and sweet corn—plus tons of family fun.  READ MORE

Arbor Day Family Festival at the Planting Fields Arboretum

Oyster Bay
Saturday, April 26-Sunday, April 27
Arbor Day at Planting Fields boasts a fun-filled day of family-friendly activities while celebrating conservation and the importance of trees. From thrilling tree climbing adventures to engaging children’s activities and live music, there is something for everyone to enjoy. READ MORE

Foodie Fest at Tanger Outlets in Deer Park

Deer Park
Saturday, April 26-Sunday, April 27
A fleet of mobile food trucks gathers at the Tanger Outlets in Riverhead for this family-friendly festival that also includes bounce houses, face painting, a DJ, and more. READ MORE

Kite Festival at Robert Moses

Babylon – FREE
Sunday, April 27
The North Babylon Chamber of Commerce hosts its third annual kite festival in Robert Moses State Park. Bring your kite or buy one on-site to join in on the flying. READ MORE

4H Equine & Agriculture Program Spring Fling at Metropolitan Equestrian

Central Islip – FREE
Sunday, April 27
Enjoy pony rides, the petting zoo, and crafts at a fun-filled celebration of youth achievement, horsemanship, and the wonders of agriculture at Metropolitan Equestrian.  READ MORE

Sakura Matsuri: Cherry Blossom Festival

Stony Brook
Sunday, April 27
Welcome spring to Long Island with the blooming of sakura (cherry blossoms), the sounds of taiko drums, and a wondrous array of Japanese cultural exhibits at the Wang Center. READ MORE

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About the Author

Jaime Sumersille
Jaime Sumersille, a mom of two boys in Bellmore, has been writing for Mommy Poppins for over a decade. She’s always exploring Long Island’s beaches, parks, and new attractions, and loves sharing those experiences on the site. Jaime enjoys adding her family’s perspective to Mommy Poppins’ mission.
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