Dotted with lighthouses along its shoreline, Portland, Maine is a coastal gem in the northeastern United States and a veritable paradise for lovers of fresh seafood, craft breweries, and small-town charm. At the center of downtown Portland, the Old Port neighborhood boasts a number of unique and historical buildings, trendy restaurants and bars, and picturesque views of the Portland Harbor.

Manzanillo, located on Mexico’s Pacific coast, is a port city known for its beautiful beaches, excellent seafood, and world-class fishing. It is one of the country’s busiest ports, and is often called the "Sailfish Capital of the World."

This capital of Norway has lots of things to offer such as the waterside Norwegian Maritime Museum and the Viking Ship Museum, with Viking ships from the 9th century.

The Old Canary Country is the island with the longest coast line, offering wide plains, gentle valleys, and huge beaches. Some of its beaches compare with the best in the world.

Colombo is the financial capital and by population, the biggest city in Sri Lanka. A major trading port as far back as 2,000 years ago, Colombo has an expansive harbor, making it a true commercial center of this island country.