Buenaventura has the largest and busiest seaport in Colombia, moving about 8,500,000 tons of merchandise.

It's one of the busiest seaports I've seen in a long time.

Today it is a busy seaport, and is the home port of Antarctic expeditions.

Today, Shanghai, is the world's busiest seaport and a major centre for international trade.

The plan worked, and the islands still boast some of the largest, busiest seaports in the whole of Spain.

During the 1920s, the port passed San Francisco as the west coast's busiest seaport.

How about this: which Caribbean island was once the busiest seaport in the world, but whose name most people don't even recognize today?

Some of these were simply merchants and sailors, as might be expected in any busy seaport; but some had a definitely military look.

It was once among the busiest seaports in the western hemisphere, long before Baltimore was established.

Both countries will send customs inspectors to each other's busiest seaports.