We had a great stay in this apartment.
Check in process is via lockboxes - the instructions were very clear. Marta also facilitated early check in for us, which was much appreciated as we had a very early flight over.
The location is fantastic - extremely close to lots of good restaurants and bars. There's a small supermarket less than a minute's walk away for supplies.
The bed is very comfy and large. The bedroom is away from the front street so we didn't have any issue with noise when sleeping.
The shower is functional with a constant supply of hot water. However, you might have to duck a little if you are taller.
Overall, we would stay again.