Hotel in Athens (5 star) 95 Euro / night totally four nights. Myconos 120 Euro for two nights. 80 euro for first two nights in Santorini and 220 euro for another two nights. Fast Speed Ferry (from Athens to Mycnos and then Santotini) is around 80 euro. Plus food (we go to restraunts all the time) and local public transit (I didn't take Taxi a lot and we visited Cape Sounion and Delphi), I think it's about CAD 3000/ person.