This special issue of <i>Sustainability</i> is devoted to a very important sustainability topic, viz. cities and waterfront infrastructure. The presence of—and access to—water has been a critical factor in the long history of settlement patterns of humankind. Water is not only a necessary...

Port cities are historically important breeding places of civilization and wealth, and act as attractive high-quality and sustainable places to live and work. They are core places for sustainable development for the entire spatial system as a result of their dynamism, which has in recent years...