Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Thera (54% of total searches to Greek islands). The next most popular destinations are Mykonos (28%) and Heraklion (14%). Searches for hotels in Imerovigli (5%) are also popular.
KAYAK users have found double rooms in Greek islands for as cheap as $31 (Zakynthos) in the last 3 days. The average price is $343.