5 Most Tropical Cities in the US

2. Key West, Florida 

Insider Monkey Score: 0.96 

Key West’s tropical nature is largely attributed to its geographical location and climate.  The city is famous for its historic sites, such as the Ernest Hemingway Home and Museum and the Audubon House, as well as its lively cultural scene, including festivals like the Hemingway Days Festival and Fantasy Fest. Cruise tourism is particularly noteworthy; over one million cruise visitors contributed about $73 million in spending, despite not requiring accommodations like hotels or flights. The city’s tourism industry is not only a major source of revenue but also a vital component of local employment, with approximately 71% of all jobs in Key West sustained by tourism.