The Port Chiapas or Puerto Madero is a port in Puerto de San Benito in the Tapachula municipality of the Soconusco region in the southern portion of the Mexican state of Chiapas. The port entrance lies about 13 kilometres northwest of the mouth of the Suchiate River which is the international boundary between Mexico and Guatemala. Puerto de San Benito is connected by Highway 225 to Tapachula International Airport and the city of Tapachula. Since its opening in 1975 the port has been a small fishing and agricultural transport center.Upgrades carried out in 2005 and since by the government have added facilities for cruise ships and more heavy cargo.Governor Juan Sabines Guerrero has ordered development of the port in the hopes it will attract business to Chiapas, the poorest state in Mexico.Ships of the Holland America Line, Regent Seven Seas Cruises, Norwegian Cruise Line and Oceania Cruises and Princess Cruise Line stop at Port Chiapas.