We have just returned from a 5 day trip in Vienna and we stayed at Markus apartment. This flat is so cozy, that you feel like home. The beds are comfortable, the rooms are the exact size you need to feel relaxed and the kitchen is completely equipped.
Not to mention the bathroom, with a huge amount of towels, shampoos, conditioners and shower gels. The attention to details is great and the plants offer a beautiful touch to the apartment. The only regret we have is the fact that the weather was cold and we did not have the change to enjoy the beautiful balcony.
The area is full of stores and nearby restaurants, the train and tram are really close and the metro is only 10 minutes by foot. I DEEPLY recommend this apartment if you are looking for a cozy place to stay with your friends or family. 5/5 for sure!