Penthouse is in a fantastic location, and the rooftop is amazing. Unfortunately it was overcast and rainy during most of our stay, but I imagine when the sun is out there's no better place to spend your day. If you plan on partying all night long in Rio this is not the place for you since it's in a residential neighborhood and things get quiet pretty early. Bathrooms all work great and are clean, and the kitchen is fully equipped (including an Nespresso machine). There's a 24-hour market a few minutes away and has everything you'll need to make this place home for an extended stay.
I'd definitely stay here again if I was with a large group. Only problem I really had was that communication was tough since the cleaning lady was our main point of contact during our stay, and she didn't speak any English. Otherwise, I wouldn't hesitate booking this place for your stay in Rio!