Living atop the clouds of Venus might be feasible and offer some advantages over the surface of Mars:
- The Surprisingly Strong Case for Colonizing Venus: Science fiction writers have come up with a plausible scenario for a floating city above the fiery planet – CityLab
- Venus | Selenian Boondocks
- Colonization of Venus, by Geoffrey A. Landis – NASA – Feb.2003 (pdf)
Landis also used a floating city in the venusian atmosphere (made of artificial diamond manufactured from carbon extracted from the CO2 atmosphere) as a setting for his Sturgeon award winning story “The Sultan of the Clouds”