I am renting out my apartment in Mitte for July (free from June 29th).
It is a very beautiful, modern and sunny apartment at the top floor with balcony and beautiful view at the Berliner TV-Tower. And yes! there is a lift :-) !
The apartment is fully equipped, with TV, wash-machine, dishwasher, fast WiFi Internet and everything needed for a comfortable stay.
The area is well known for its Boutiques, Galeries Restaurants Cafe and trendy Bars. U bahn (U2 and U8) and Tram within 5min walk. Main sightseeing (Museuminsel, Hackescher Markt, Alexanderplatz etc) in few minutes walk.
The apartment is available for July, but there is also a possibility to extend the rental if desired.
Feel free to message me if you are interested. I would be happy to give you more information!