East Atlantic Beach is a hamlet and census-designated place (CDP) in Nassau County, New York, United States.

24.7% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older.

None of the families and 1.6% of the population were living below the poverty line, including no under eighteens and 2.4% of those over 64.

Law enforcement for East Atlantic Beach is provided by the 4th Precinct of the Nassau County Police Department.

[5] U.S. Mail Service is provided by the Long Beach Post Office.

Although there is no fee, only residents of the hamlet are able to obtain seasonal beach passes for admittance.