Catarina was very welcoming, responsive and made good recommendations for restaurants especially. The location, although not central, is good as you can take different walking routes into town or jump on the metro. And it is near the Casa da Musica. For me, the downstairs cafe was a bit noisy and so you couldn't have the window open àt night to let fresh air in but this may not be a problem for most. It was also like a mini-hostel, which also may not appeal to everyone.