Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Conil de la Frontera (40% of total searches to Costa de la Luz). The next most popular destinations are Tarifa (20%) and Cadiz (20%). Searches for hotels in Cartaya (20%) are also popular.
KAYAK users have found double rooms in Costa de la Luz for as cheap as $44 (Tarifa) in the last 3 days. The average price is $247.