Out of dozens of air bnbs I've stayed at over the years this is hands down my favorite. I spent an entire month here. The neighborhood feels quite safe and it's close to the metro (subway), a number of fabulous bakeries and several well-provisioned grocers. There are also a number of boutiques and restaurants often little more than a block or two stroll.
The apartment itself is beautiful with everything imaginable provided. There is an elevator that will take you up to your floor, which I found very convenient. My family and I found the beds and linens to be luxurious and restful. Plenty of towels, cleaning supplies, everything one would need for cooking. There's a sizable walk-in closet that I shared with my daughter, as a dressing room, while my son used the shelves provided in the second bedroom. There are two balconies, one with entrances from the living room and bedroom, while the other in the back is even more sizable, with a table, chairs and several large plants. The windows are beautiful and new, and make the apartment very quiet.
I had a minor issue crop up while staying, the toaster gave out on me! But they replaced the toaster the very next day. Every interaction I had with our hosts was completely delightful. They are truly wonderful people who want your stay to be perfect.
I can't imagine staying anywhere else when I next visit Barcelona.