Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Salou (40% of total searches to Costa Dorada). The next most popular destinations are Vila-seca (40%) and El Vendrell (20%).
KAYAK users have found double rooms in Costa Dorada for as cheap as S$ 37 (Salou) in the last 3 days. The average price is S$ 290.