I'd need some advice - We'll have 8 days for both islands, I was thinking of staying 4 nights at Mykonos to have time to relax at the beaches, also to visit Delos, and 4 nights at Santorini to explore the island. My husband bumped into a Greek acquaintance yesterday and he suggested only 3 in Mykonos and 5 in Santorini, and now I don't know what to do. Any opinions? I know it's a matter of personal liking...Would we have enough with 4 nights (well, 3 full days) in Santorini to see the "basics"? will be August so I'd better not wait too much before booking.