Originally Posted by VegasGambler

My understanding was that there was no suite availability for a 2 night stay that was the last 2 nights of his stay. But it was available for a 5 night stay that started on those 2 nights.

So the suite is available, but there are restrictions that prevent it from being booked, most likely minimum length of stay. Merging everything into a 9 night stay would fix that.

Of course to be sure it's probably a good idea to search for suite availability over the entire 9 nights (as a single stay) first.