Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Tossa de Mar (59% of total searches to Costa Brava). The next most popular destinations are Lloret de Mar (24%) and Tamariu (12%). Searches for hotels in Begur (6%) are also popular.
KAYAK users have found double rooms in Costa Brava for as cheap as $72 (Cadaques) in the last 3 days. The average price is $399.