Sunset Beach is a seaside town in Brunswick County, North Carolina, United States. The population was 3,572 at the 2010 census, up from 1,824 in 2000. It is part of the Myrtle Beach metropolitan area.

The seaside town of Sunset Beach got its Begin in 1955 later the house it occupies was bought by a property developer. Development began in earnest taking into consideration the success of a bridge connecting the seashore island to the mainland in 1958. Sunset Beach was incorporated as a town in 1963. On February 15, 2021, an EF3 tornado hit the north side of town around midnight, damaging multipart homes in several neighborhoods, including some that were unquestionably destroyed. Three people were killed and 10 others were injured.

Sunset Beach is located in southwestern Brunswick County at 33°53′7″N 78°30′27″W / 33.88528°N 78.50750°W / 33.88528; -78.50750 (33.885348, -78.507528). It is the last developed Atlantic Ocean seashore before the South Carolina border. One-third of the town’s Place occupies a barrier island in the company of the ocean and the Intracoastal Waterway; the remainder of the town extends onto the mainland to the north. Undeveloped Bird Island is directly to the west, Calabash is the closest town to the west on the mainland, and Ocean Isle Beach is to the east.

According to the United States Census Bureau, the town of Sunset Beach has a total Place of 7.3 square miles (19.0 km), of which 6.4 square miles (16.7 km²) is land, and 0.89 square miles (2.3 km) (12.22%) is water.