Allenhurst is a city in Liberty County, Georgia, United States.

It is a part of the Hinesville-Fort Stewart metropolitan statistical area.

Allenhurst was platted in 1910 by B. H. Allen, the proprietor of a local sawmill.

[6] According to the United States Census Bureau, the town has a total area of 1.1 square miles (2.8 km2), of which 1.1 square miles (2.8 km2) is land and 0.88% is water.

The United States Postal Service operates the Allenhurst Post Office.