Of 100 counties in the Tar Heel State, Duplin County ranks 13th in terms of size (820 square miles). Duplin County is in Coast North Carolina. Duplin County, North Carolina, includes about 2,000 acres of riverfront property for sale based on recent Land Network data. The combined market value of farms, hunting land and other rural land and acreage for sale here was approximately $2 million. Browse all waterfront property for sale in Duplin County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Duplin County is residential property.