Explore the Caldera: Take a boat tour to the ... clear waters. Naxos is the largest island in the Cyclades and a gem for ...

There are also ample opportunities to swim and snorkel as you admire views of the Greek islands ... the boat. Tours run from 8 a.m. to 6 p.m. daily, departing from and returning to Naxos.

Nothing screams convenience quite like Aegina - one of the closest islands to Athens with a ferry ride so short (just about ...