THE NORTH TOPSAIL BEACH LAND BRIEF
Land in the
Carolinian Barrier Islands and Coastal Marshes setting.
North Topsail Beach town has 6.22 square miles of land in Onslow County. Its Census reference point is in Carolinian Barrier Islands and Coastal Marshes, within Middle Atlantic Coastal Plain.
Low coastal plains contain terraces, estuaries, marshes and barrier islands. Unconsolidated sediments underlie this varied coastal setting, with forest patterns changing near streams and low-lying areas.
Regional context: Middle Atlantic Coastal Plain ↗ · Classification at the Census reference point
North Topsail Beach and Onslow County
North Topsail Beach is associated with Onslow 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.
North Topsail Beach by land and water
The Census records 4.15 square miles of water within North Topsail Beach, or 40% of its total area. It is 24.2 percentage points higher than the 15.8% recorded for Onslow County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, North Topsail Beach town has 1.4 times the land area of nearby Holly Ridge town (4.4 square miles). These areas describe boundaries, not comparable property prices.

