Atlantic Beach is located in Duval County on the eastern city limits of Jacksonville between the Ft George Inlet and Jacksonville Beach along Highway A1A on the banks of the Tolomato River near the Atlantic seacoast. The population estimate for Ju ly 1, 1998 was 12,960, an increase of 1,324 since 1990.
There is also an Atlantic Beach, North Carolina.
Atlantic Beach is part of the Jacksonville, Florida metro area.