I highly recommend Miguel’s place! Read all the glowing reviews about it! They are 100% accurate!
The place itself is clean and perfect, and the location is great. As others have mentioned, it is close to the basilica, Park, and tram line. You can also walk down the lovely Rua de S. Domingos to go for a run by the river, and then stop by cafes or the supermarket on the way back for breakfast.
Best of all, Miguel is super nice and super fast about responding to any questions you might have. Thank you, Miguel!