Morning. Take a day trip to Cape Sounion, where you can see the Temple of Poseidon, a beautiful ancient temple perched on a cliff overlooking the Aegean Sea. On the way back, stop at one of the beaches along the Athenian Riviera, such as Vouliagmeni Beach or Glyfada Beach, for some sun and sea.
Afternoon. Visit the Benaki Museum, a comprehensive collection of Greek art and artifacts from prehistoric times to the present day.
Evening. Head to Psirri, a vibrant neighborhood with a lively nightlife scene, and enjoy a drink at one of its many bars.
Bedtime. Find amazing hotels in