excluding tanzania singita sasakwa lodge / serengeti house ?
singita tanzania (& zimbabwe) : helps having billionaire owner

expertafrica.com/tanzania/serengeti-migration-area/reference-map
africatravelresource.com/locations/map/ (tanzania north / serengeti)

kenya includes >
new wilderness safaris premier - segera
4 Great Plains Conservation
2 andbeyond (4 tanzania)
1 virgin limited edition (not tanzania)

anyone heard re exclusive-use villas ?

greatplainsconservation.com/zimbabwe
"late 2017" 2nd image shows in north ?

last i looked at botswana, only belmond and 2 andbeyond published AC
things like AC probably a question for africa agency websites and agents