Key West is a part of the Lower Keys and is known as the southernmost city in Florida. More commonly known as the Conch Republic, it is a seaport and a favorite tourist destination too. The climatic c... Key West is a part of the Lower Keys and is known as the southernmost city in Florida. More commonly known as the Conch Republic, it is a seaport and a favorite tourist destination too. The climatic conditions are mild and resemble the Caribbean islands, making the island an automatic choice for vacations. Source: Free Articles from ArticlesFactory.com