The ruins in Athens are not to be missed. We did a private tour with a company called TurkeyTourMarket dot com. Osgar picked us up at the port drove us around all day with a ton of history and story all for $44 per person. Best deal around and worth every penny.
Great port. The old city has boats that will bring you snorkeling for an hour for 5 Euro. Bring your suit. Also had a fish spa were little fish sucked the dead skin off our feet. Not to be missed.