Marie's location is amazing. We were able to walk to everywhere we needed within 15 minutes - downtown, train station, oktoberfest. It was perfect.
Bars, nightclubs, authentic German food are all extremely close.
Bathroom wasn't an issue for us, it was extremely small but we were able to make it work. The place was actually bigger than I thought it would be. It was a perfect place to rest at after a busy day of exploring Munich.