Galveston Bay is the second-busiest port in the nation by overall tonnage. Other major ports utilizing the bay include the Port of Texas City and the Port of Galveston. With its diverse marine life, Galveston Bay also produces more seafood than any bay in the nation except the Chesapeake. The Gulf Coast gained its present configuration during the most recent glacial period approximately 18 ka (thousands of years ago). Low global sea levels allowed the Texas mainland to extend significantly further south than it is presently, and the Trinity River had carved a deep canyon through present-day Bolivar Roads on its way
Galveston, Texas with some facilities on Pelican Island. The port has facilities to handle all types of cargo including containers, dry and liquid bulk, breakbulk, Roll-on/roll-off, refrigerated cargo and project cargoes. The port also serves as a passenger cruise ship terminal for cruise ships operating in the Caribbean. The terminal was home port to two Carnival Cruise Lines vessels, the "Carnival Conquest" and the "Carnival Ecstasy". In November 2011 the company made Galveston home port to its 3,960-passenger mega-ships "Carnival Magic" and "Carnival Triumph," as well. In 2015, "Carnival Freedom" relocated to Galveston, sailing seven-day cruises. Carnival replaced "Carnival Magic" and "Carnival