I would love feedback on this 13-night itinerary in April. Though I have been to Crete, we are otherwise first-timers. Have hotel in Athens and Naxos booked. Working on the others. I'm thinking we might want a third day in Athens. While two is often recommended, it does seem tight considering the sights and just being able to appreciate the city.
Athens arrival. Check in and late dinner.
Athens. Acropolis Museum. Rick Steve's Walk around Athens. Visit Acropolis late in day.
Athens. Agora. Lunch around Psyrri and Central Market (Rick Steves Walk). National Archaeological Museum.
Naxos. Blue Star 7:25 ferry. Arrive at 12:45. Kastro/Chora/Apollo. Car rental.
Naxos. Drive to villages. Demeter, Halki, Filoti, Apiranthos.
Naxos. Drive to Marble Atelier, Olive Oil Press at Eggares, Alyko Beach, Dinner at Apolafsi or Axiotissa.
Naxos. Some plan here. (Or cut this day and add elsewhere)
Santorini. Morning in Naxos. Blue Star 13:00 ferry. Arrive 15:30.
Santorini.
Transfer day/Delphi. 8:50 Aegean flight from Santorini to Athens. Rental car to Delphi (2.5 hours). Museum/tour. Overnight at Delphi.
Napflio. 3.5 hour drive. Stop at Mycenae en route.
Napflio. Sidetrip to Epidaurus.
Napflio. Sightseeing/Good Friday events.
Transfer to Athens. Early departure from Napflio. Possible stop at Temple of Poseidon en route? Return rental car at airport. Flight at 13:45.