We had a great stay in the apartement of Arantxa! The apartement was spotlessly clean, spacious and equipped with everything we needed. It is located right at the main square of the old town, so there cannot be any better place for exploring the city. We got great tips from Aranxta when checking in and she was very flexible regarding our check out as well.
I can just recommend everyone to stay there - we are going to when coming back to Málaga.