Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Dubrovnik (85% of total searches to Croatian South Adriatic Islands). The next most popular destinations are Hvar (10%) and Bol (3%). Searches for hotels in Trogir (2%) are also popular.
KAYAK users have found double rooms in Croatian South Adriatic Islands for as cheap as $29 (Trogir) in the last 3 days. The average price is $240.