SPLIA’s Endangered Historic Places List for 2017 consists of five properties that reflect the diversity of Long Island’s historic resources and cultural heritage, including a storied Montaukett homestead on the East End as well as the retreat of a famed poet-journalist in Roslyn Harbor. These places also reflect the variety of challenges confronting the preservation of historic properties throughout the region.


One of the most picturesque spots in Nassau County, Cedarmere was the primary residence of William Cullen Bryant, a major 19th-century American poet and the influential editor of The New-York Evening Post for over 50 years.

George and Sarah Fowler House

The Fowler House provides an extraordinary glimpse into the lives of Montaukett Indians on Long Island over a century ago, and reminds us that Native American history is an integral part of American history locally, regionally, and nationally.

Idle Hour

Situated along the Connetquot River in the western portion of Oakdale, Idle Hour is the former 900-acre estate of railroad mogul and financier William Kissam Vanderbilt I.

Reverend David Eato and Mary Baker Eato House

The Rev. David and Mary Baker Eato House is one of only five late 19th to mid-20th century structures within the core of the Bethel-Christian Avenue-Laurel Hill Historic District, an historic Native American-African American community in Setauket.

York Hall

Grandly situated at the entrance of Nissequogue River State Park, York Hall was constructed as part of a substantial building campaign begun at Kings Park Psychiatric Center in the mid-1920s to accommodate ever-increasing staff and patient populations.