Sea Cliff is a village located within the Town of Oyster Bay in Nassau County, on Long Island, in New York, United States.

[6][7] In the 2024 U.S. presidential election, the majority of Sea Cliff voters voted for Kamala D. Harris (D).

[10][11] Several buildings in Sea Cliff, mostly Victorian houses, are listed on the National Register of Historic Places.

[12][13][14] Many of them were built as summer homes as part of Sea Cliff's late nineteenth century role as a resort town, and they have been collectively called "one of the best collections of late Victorian era architecture in Nassau County.

"[15] Properties in Sea Cliff listed on the National Register of Historic Places include:[12]