GE Pro here, too.
Yep! Got it. Elevation figures consistent with latest imagery date, i.e., a sloping grade. A tennis court that is not flat/level. A water pistol that shoots jelly! (sorry about that :))
The towers with distinct shadows are plopped onto the highest elevation of the island.
Weirdness^2
Comparatively, the court and surrounding enclosure look a bit too large. The footprint looks almost as large as the resort house.
It may have been constructed as a decoy? Looks normal from satellite but...