We had an absolutely amazing experience at Penthouse #2! Highly recommend!
The condo/apartment was immaculate and the perfect home-like experience we crave while we are on vacation. Lots of bright, natural light with great rooftop views. Our family had ample space to "veg out" throughout the entire 2-floor condo/apartment and we definitely enjoyed watching TV on the two comfy couches in the upstairs living room. It was also nice to have access to the air conditioning and a bonus was having a fan in each of the bedrooms.
The location was perfect for us--it's a very charming neighborhood with immediate access to trams and buses as well as great options for breakfast, lunch, or dinner. The walk to the train station is really a lovely little 10-minute stroll with a very quick ride to Old Town/Stephansplatz.
Receiving the guest handbook at the time of booking was very helpful in travel preparations. It is very thorough with detailed instructions, recommendations, hyperlinks, etc. We took their advice to arrange an Airport Driver at the airport, which worked out great, as our flight arrived after 11 PM.
The only issue we had, and it is a VERY minor one, was figuring out how to unlock the door. Using the code/keypad entry was totally fine, is was figuring out the doorknob unlocking process. I think this is more of our user-error and the fact that we have not experienced door locks like this in our European travels so far. Maybe this is unique to American travelers like us, but we eventually figured it out after searching YouTube for instructions....it was after midnight and we didn't want to bother our hosts.
My only suggestion to bring the the check-in process from 4 to 5 stars is to add a few additional instructions in the handbook describing which direction to turn the door knob as well as how many turns it takes to unlock the door.
I highly recommend this Air BNB and will DEFINITELY stay again if we are back in Vienna.