6. Kefalonia/ Cephalonia
IM Score: 18
Average Cost of Apartment per Square Foot: $110
Meal Cost: $31.76
Unlike other islands on the list of best places to retire in Greece, Kefalonia wasn’t such a big touristic destination in the past. Now, it is a popular holiday destination for Italians, so you should expect some fine wine and pasta smell spreading all over. It is known for fishing villages, beautiful beaches and lovely nature including underground lakes and caves. January has the lowest temperature of 48°F while July and August are warmest with 79°F. You can expect most rain in December and January.