What Greek island is best to stay without a car?

Islands of the Cyclades, the pre-eminent summer destination, where it is not necessary to travel by car, are all the Small Cyclades: The two Koufonisia: Pano and Kato, Schinoussa, Herakleia, and Donoussa. Pano Koufonisi, more touristic than all the other islands of the complex, provides you with everything!Cached

Which Greek island is car free?