is a city (incorporated August 10, 1905) located in Harrison County, Mississippi, USA. It is part of the Gulfport–Biloxi, Mississippi Metropolitan Statistical Area. As of the 2000 census, the city had a total population of 17,320.
Long Beach is located at 30°21'9" North, 89°9'35" West (30.352547, -89.159639).
According to the United States Census Bureau, before Hurricane Katrina, the city had a total area of 10.3 square miles (26.7 km²). 10.1 square miles (26.2 km²) of it was land and 0.2 square miles (0.5 km²) of it was water. The total area was 1.85% water. Current statistics are not available.