Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Lloret de Mar (40% of total searches to Costa del Maresme). The next most popular destinations are Santa Susanna (30%) and Mataró (20%). Searches for hotels in Blanes (10%) are also popular.
KAYAK users have found double rooms in Costa del Maresme for as cheap as $37 (Lloret de Mar) in the last 3 days. The average price is $337.