We had a good time in the cozy room so near to Copacabana beach and also in walkable distance to Ipanema beach.
The room has all you need and is very clean. Although its in the middle of the city, it was quiet to sleep.
Checkin and communication worked very well.
The only point which can be incommodating is, that the keys from entrance door and appartment door are not separable, and you need the key in the appartment for electricty, so if the two people staying in the appartment have different plans, it can get tricky in terms of organisation/logistics. But thats the only point I found one time a disadvantage.