This apartment is perfect. My fiancé and I stayed here for six days and had an amazing time.
The hosts: Roberto and Montse live very close by and are easy to get a hold of if you need anything. Roberto gave me detailed instructions on the best way to get to the apartment from the airport, and even arranged a cab to pick us up and bring us to the airport on our way home since our flight was during the early morning. They left us wine and fresh fruit as a gift for when we checked in, and provided a great itinerary of ideas for restaurants and public transport. I even lost my phone on the subway and Roberto helped get in contact with the woman who found it, and went and picked it up for me on his lunch break! They're unbelievable.
The apartment: this apartment is perfect for two people. It's perfectly sized, the bed was comfortable enough, and it has AC which is hugely important if you stay in the summer. It had all the amenities, felt perfectly safe, and has a cute terrace out back.
The location: this apartment is located in Poblé Sec, which is a part of Barcelona that is a lot of locals and young twenty something's. The apartment itself is located one block away from Carrer de Blai, which is a string of amazing tapas restaurants and bars. Its also very close to one bus stop and three blocks from two metro stations. We were able to get to all major attractions easily on the metro.
I would recommend this apartment in a heartbeat. The price was fantastic as well.
Thanks Roberto and Montse!!!!