Good location to see lots of Santorini. You definitely need a car but I think that is the best way to do Santorini regardless of where you stay.
Good size for 2 people has what you need to be able to have some meals there rather than eat out 3 times a day.
Good comms and good host who was quick to respond whilst we were there.
We stayed for a week and we were able to request for the apartment to be cleaned halfway through with new towels and bed linen.