Keflavik, a town in Iceland, was founded in the 16th century due to its fishing and fish processing industry. Later, it grew due to the Keflavík International Airport, which was built by the US during the 1940s and used to hold a significant NATO military base. During the Cold War, Naval Air Station Keflavik played an important role in monitoring marine and submarine traffic. The town was also known as a rich source of musicians during the 1960s and 70s. This article provides a brief history and development of Keflavik from its early days to the present. Includes travel hashtags for those interested in visiting Iceland.