Smithsonian Affiliate

Long Island Museum

Address
1200 Route 25A
Stony Brook, NY, 11790
Closed for Winter Break, reopens February 19, 2026
Closed New Year’s Day, Easter Sunday, Memorial Day, July 4th, Thanksgiving Day, Christmas Eve & Christmas Day, New Year’s Eve,
A logo in the shape of a columned structure with a roof in dark green. Below the logo are the words The Long Island Museum over the same shade of green.

The mission of the Long Island Museum of American Art, History & Carriages is to inspire understanding and appreciation of America's multifaceted social and cultural heritage, with an emphasis on Long Island and its people.

Long Island Museum

The mission of the Long Island Museum of American Art, History & Carriages is to inspire understanding and appreciation of America's multifaceted social and cultural heritage, with an emphasis on Long Island and its people.The mission of the Long Island Museum of American Art, History & Carriages is to inspire understanding and appreciation of America's multifaceted social and cultural heritage, with an emphasis on Long Island and its people.