Key West has the title of the southernmost city on the continental United States, being just 90 miles from Cuba. The city's main source of income is tourism, which attracts many people throughout the year, due to its pleasant climate. The city is served by an international airport.
Water activities are the main leisure options in the city: diving, scuba-diving, boat trips, jet ski, etc.
United States - Key West - FL 
Israel - Jerusalém
Italy - Manarola - Cinque Terre
Canada - Ontario - Niagara Falls
Norway