Luca's place was accurately described and photographed. We really enjoyed the location in terms of proximity to the Museo train station, and being off of a nearby crowded street. It was quiet, clean, newly renovated, air conditioning was much appreciated, and the shower had great pressure and drainage. The spot is in such close proximity to Centro Storico which was a very cool place to eat and hang out for apertivo (esp Bellini Square, approx 8 min walk where all Napolitano youth seem to flock).
Travel tip: If you decide to taxi from Garibaldi station ask your taxi driver in advance the rate to get to the apartment as they will try to overcharge otherwise- should be 10-15 € (they charged us 20€ )