Panos studio is cosy, nice and clean. I really loved the terrace! It takes only 20 minutes to go to the center, you don't need to use the transport and in the same time, the place is not noisy at all!
I felt like at home :)
There is also a small supermarket very near to the house and bakery (5minutes). I used to go to Neos Kosmos station when I wanted to take metro or tram.
For sea lovers, I recommend to go to the nice beach closed to Athens - Kavouri beach (first you take the metro, red line to Elliniko,then the bus no 122, station Ουρανου ) - but be careful, the bus don't stop on every bus station, give the signal to the driver when you want to get off the bus!