This is a fantastic location. Just a minute's walk from great restaurants, a water bus stop, and the historic Jewish ghetto. The apartment we stayed in (there are 3 at the BNB) is mostly a lovely space. It has great daylight, a view of the canal, excellent AC, and a comfortable bed.
The main issue with the apartment is that the layout of the bathroom in that unit is very uncomfortable. The toilet is crammed into a corner directly facing the shower with only a few inches between them. Even for a person of average height, it is impossible to sit down normally on the toilet because there is simply not enough space for your legs before your knees hit the shower wall. I think it could be dangerous for an elderly person or someone who has back or knee issues.
The other, minor issue is that there were no cooking utensils in the kitchen (spatula, wooden spoon, knives for chopping vegetables, etc.). There are cups and small plates, eating utensils, one large pot, and one frying pan.
Overall, I would stay there again if they fixed the issue with the bathroom layout, or if they put us in a different unit where the bathroom is not an issue.