Yes, we have. In our 9 rooms

Yes it does.

They have one room on the ground floor. It is in the back, with a balcony overlooking the lake. I think there were two beds in it. The bathroom will likely have one step up into it, as is typical in this kind of place to accommodate plumbing. The shower in our room was walk-in (no tub). There are also a couple of steps into the lobby from the street. If your elderly friend can handle a few steps this would work fine.