THE NEPTUNE BEACH LAND BRIEF
Land in the
Sea Island Flatwoods setting.
Neptune Beach city has 2.34 square miles of land in Duval County. Its Census reference point is in Sea Island Flatwoods, within Southern Coastal Plain.
Low plains mingle with barrier islands, lagoons, marshes and inland lake districts. Coastal and inland settings vary substantially within this warm southeastern landscape.
Regional context: Southern Coastal Plain ↗ · Classification at the Census reference point
Neptune Beach and Duval County
Neptune Beach is associated with Duval County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Neptune Beach by land and water
The Census records 4.51 square miles of water within Neptune Beach, or 65.9% of its total area. It is 48.9 percentage points higher than the 17% recorded for Duval County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Neptune Beach city has 63.5% of the land area of nearby Atlantic Beach city (3.68 square miles). These areas describe boundaries, not comparable property prices.

