Things to do in Long Island | Page 2 of 86

Things to do on the Long Island

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Sunday Sep. 21, 2025

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10 am – 4 pm

The “725 Art Show” at the Sag Harbor Whaling and Historical Museum

Art

Sag Harbor Whaling & Historical MuseumSag Harbor

Plein-Air-Painiting-Lori-2

10 am – noon

Plein Air Painting Workshop at Sands Point Preserve

Art
Outdoors

Sands Point PreserveSands Point

Iron Squirrel Challenge

10 am – 6 pm

Iron Squirrel Challenge

The Adventure Park at Long IslandWheatley Heights

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10 am – 5 pm

Hicks Nurseries 50th Annual Fall Festival

Ages: All
Family
Festivals
Free

Hicks NurseriesWestbury

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10 am – 5 pm

Our 5th Annual Nassau Boulevard Street Fair

700 Nassau BoulevardWest Hempstead

10 am – 2 pm

Sun Day

Ages: 5 and up
Car Show
Community
Family

819 Grand Boulevard Deer Park, NY 11729Deer Park

Legendary Crafts Jelly Fish Wand – Image Only

11 am – 4 pm

Legendary Crafts

Ages: All
Art
Attractions
Family

The Whaling Museum & Education CenterCold Spring Harbor

Jolly Roger Flag -Pic Only

11 am – 4 pm

Jolly Roger Scavenger Hunt

Ages: 3 and up
Attractions
Family
Free

The Whaling Museum & Education CenterCold Spring Harbor

11 am – 6 pm

San Gennaro Feast at Lenny Bruno Farms

Lenny Bruno FarmsManorville

Custom House Events calendar Image

11 am – 3 pm

Custom House in Sag Harbor Open for Tours Saturdays & Sundays through October 12

Custom House Sag HarborSag Harbor

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11 am – 9 pm

38th Annual Bellmore Family Street Festival

Bellmore Long Island Rail Road Parking LotBellmore

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11 am – 12:30 pm

International Coastal Cleanup at Sands Point Preserve

Sands Point PreserveSands Point

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11 am – 4 pm

“EXPLORATIONS” Marilyn Stevenson Solo Exhibit

Art
Free

The Water Mill MuseumWater Mill

Barn 3

11 am – 5 pm

Vanishing Landscapes, an exhibit by Artist Lynn Dunham

Art
Free

Chase Edwards GalleryBridgehqampton

Light From Darkness

11:30 am – 4 pm

Light From Darkness

Art
Free

BAFFA GallerySayville

9. Louis Majorelle, Buffet, ca.1900 (Resized Image) (1)

Noon – 5 pm

Triumph of Nature: Art Nouveau from the Chrysler Museum of Art

Art

The Long Island MuseumStony Brook

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Noon – 7 pm

Greenport Harbor Brewing Company Presents Contemporary Artist Gavin Zeigler

Greenport Harbor Brewing Company’s Greenport Tasting RoomGreenport

7.26 Chris Mack

Noon – 5 pm

Beyond the Present: Collecting for the Future

Southampton Arts CenterSouthampton

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Noon – 5 pm

JOEL MESLER: MILES OF SMILES

Art

Guild HallEast Hampton

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Noon – 5 pm

MARY HEILMANN: WATER WAY

Art

Guild HallEast Hampton

Noon – 5 pm

“All We See” presented by East End Photographers Group

Art
Free

The Depot Art GalleryMontauk

Mad Science LIF

Noon – 3 pm

Long Island Family Day 2025

Ages: All
Family
Festivals
Free

Cradle of Aviation MuseumGarden City

1 – 3 pm

Oscar Molina Unveils Collaborative Artist Guestbook Canvas at Keyes Art Gallery

Art
Free

Keyes Art GallerySag Harbor

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1 – 3 pm

An Artist’s Nature: The work of Ron Becker

Unitarian Universalist Congregation at Shelter RockManhasset

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2 – 4 pm

Michael Harrison’s Ventastic

Comedy

The SuffolkRiverhead

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2 – 6 pm

Fitzhugh Karol: On the Grounds

Arts Center at Duck CreekEast Hampton

Pokémon TCG Meetup (7)

2 – 3 pm

Sunday Sounds – Dueling Pianos

Ages: All
Art
Attractions
Family

The Merrick LibraryMerrick

Screenshot

2 – 6 pm

Daisuke Kiyomiya: Forms of Perception

The Arts Center at Duck CreekEast Hampton

SERENADE DUO 2

2 – 4 pm

The Atelier presents “Concert & Create with Serenade Duo” Sunday, September 21st at 2:00-4:00 PM

Art
Music

The Atelier at FlowerfieldSt. James

DelaneyCostante

2 – 3 pm

ats on the Beach, Bay & Beyond with Delaney Constante

Long Pond Greenbelt Nature CenterBridgehampton

2 – 5 pm

Inaugural Islip Irish Day Parade

Downtown IslipIslip

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