Ciudad del Carmen is a city in the southwest of the Mexican state of Campeche. Ciudad del Carmen is located at 18°38′N 91°50′W / 18.63°N 91.83°W / 18.63; -91.83 on the southwest of Carmen Island, which stands in the Laguna de Términos on the coast of the Gulf of Mexico. The 2005 census population was 154,197 people. In July 2006 Ciudad del Carmen celebrated its 150th anniversary as a city.