Port of Spain had a local campus enrollment of 15,571 in academic year 2007/2008. The University of Trinidad and Tobago has several campuses and institutes in the greater Port of Spain area including the research based Natural Gas Institute of the Americas and the Chaguaramas Centre for Maritime Studies. Port of Spain has a population of 18,008 males and 19,066 females, with 5,694 businesses and is home to 12,333 households with an average size of 2.9 according to the 2011 census. The city experienced an average annual growth rate of −2.3% between the censuses of 2000 and 2011 Port of Spain's diverse population
Port of Mayagüez Port of Mayagüez The Port of Mayagüez, located northwest of downtown Mayagüez, is the third busiest port on Puerto Rico. The port is situated along Puerto Rico routes 64, 341, and 3341, and stretches for 3.8 miles along the coast. Its main canal is .4 miles wide and its depth ranges from 47 to 120 feet; the water's depth along the piers ranges between 28 and 29 feet. Until April 2010, the port's main tenant was Ferries del Caribe which provided daily ferry service to the Dominican Republic. Its sole vessel, Caribbean Express (1976/ 18,888 gt,) was scrapped at Alang