Parts of the community are now within the city of Dubuque , while others are unincorporated .
Key West is an unincorporated community in Dubuque County , Iowa , United States , near the extreme southern end of the city of Dubuque .
Parts of the community are now within the city of Dubuque , while others are unincorporated .
Key West is an unincorporated community in Dubuque County , Iowa , United States , near the extreme southern end of the city of Dubuque .