Mariner of the Seas: 8-Night Northern City Escapes

London (Southampton) cruise port is the busiest cruise departure point in the United Kingdom and one of the largest in Northern Europe. The port sits in Southampton, a city on England's southern coast about 80 miles southwest of London.

Rotterdam is Europe's largest port city and a major cruise embarkation point in the Netherlands, located in the Rhine-Meuse-Scheldt river delta about 80 km south of Amsterdam. The cruise terminal (Rotterdam Cruise Terminal) is at the Wilhelminakade on the south bank of the Nieuwe Maas river, in the shadow of the Erasmus Bridge.

Copenhagen cruise port is the main cruise gateway to Scandinavia and one of the most important embarkation ports for Baltic and Norwegian fjord itineraries. The city has three cruise terminals.

Oslo is Norway's capital, home to about 700,000 people in a city wrapped around the head of the Oslofjord with forested hills rising on every side. The city has undergone a dramatic transformation over the past two decades, with the harbor district rebuilt from industrial docks into a waterfront of museums, restaurants, and public spaces anchored by the angular white marble Opera House.

Hamburg is Germany's second-largest city and its biggest port, sitting about 100 kilometers inland from the North Sea on the Elbe River. The city serves as a major embarkation point for Northern European, Norwegian fjord, and Baltic Sea cruises, with a growing role as a port of call on repositioning and British Isles itineraries.