Dive into the Fourni archipelago’s shipwrecks, uncovering 2,500 years of maritime history.

For a week's getaway or longer, here is our list of the most beautiful Greek islands by archipelago, from the classics of Santorini and Mykonos in the Cyclades to Rhodes and Patmos in the Dodecanese.

Even in peak summer season, the Ionian Islands—an archipelago of seven main islands scattered in the Ionian Sea between the Greek mainland and the south of Italy—don’t attract the same ...