Just make geodesic cellular kites[1]. Above a certain surface area/mass ratio it becomes difficult not to fly. Power with Magnus effect pontoons[2]. One of the things I'd like to do eventually is make flying buildings that never land.

[1] https://duckduckgo.com/?q=alexander+bell+kites&t=ffcm&atb=v6...

[2] https://newatlas.com/magenn-mars-floating-wind-generator/111...