sentences:  The county is home to more than 150,000 people and includes the incorporated towns of Holly Ridge, Richlands, Swansboro, North Topsail Beach, part of Surf City, and unincorporated Sneads Ferry.The U.S. Marine Corps Base, Camp Lejeune, comprises roughly ; more than 43,000 marines and sailors are stationed there.According to the U.S. Census Bureau, the county has a total area of , of which are land and (16%) are covered by water.