THE OAK ISLAND LAND BRIEF
Land in the
Carolinian Barrier Islands and Coastal Marshes setting.
Oak Island town has 18.7 square miles of land in Brunswick 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
Oak Island and Brunswick County
Oak Island is associated with Brunswick 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.
Oak Island by land and water
The Census records 1.3 square miles of water within Oak Island, or 6.5% of its total area. It is 12.6 percentage points lower than the 19.1% recorded for Brunswick County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Oak Island town has 2 times the land area of nearby St. James town (9.11 square miles). These areas describe boundaries, not comparable property prices.

