st thomas virgin islands
Southampton is UK's largest cruise port.
The Port of Miami has the largest cruise ship terminal, acommodating up to 12 ships at a time and taking tens of thousands of cruisers to many fun itineraries (mostly Caribbean and Bahamas).
The largest harbor in the Caribbean is the Port of San Juan in Puerto Rico. It is a significant commercial hub and a popular cruise ship destination due to its strategic location and deep waters.
Southampton .
Southampton is the largest and the leading cruise port in the UK.Southamptonis also wheretheTitanic left for it's first and only voyage.
miami
The port of Cartagena, in the Caribbean, is Colombia's largest port.
Yes it is.
I believe Southampton is.
Monarch of the Seas is a cruise ship owned by Royal Caribbean cruise lines. It sails between Port Canaveral, the Bahamas and the Royal Caribbean private island CocoCay. You can learn more here: http://www.royalcaribbean.com/findacruise/ships/class/ship/home.do?shipCode=MN
Port Everglades Cape Canaveral Port of Miami
You question is a bit vague. If you're asking about the Port of Embarkation, Miami is the biggest port in the U.S. for Caribbean Cruises. San Juan Puerto Rice is right up there as well.