Port of Progreso, Mexico. In July 2008 Port of Progreso officials signed a Sister Port agreement with Port Panama City. The two ports pledged to promote shipping activity and increased commercial opportunities along the corridor. The Port of Progreso is located on Mexico’s Yucatan peninsula, 575 nautical miles from Port Panama City. Port of Progreso handled about 4.6 million tons of cargo in 2009, and the 160–acre port has almost 8,000 feet of commercial dock space, silos for grain storage and a cruise ship terminal.