North Beach is a town in Calvert County, Maryland. The population was 1,978 at the 2010 U.S. Census.The town is contiguous with the larger town of Chesapeake Beach which has a new boardwalk, a new resort spa hotel, a recreational water park, and new housing. Herrington Harbor resort, which was voted the best marina in the United States, is located two miles north of North Beach, across the County line.