Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Cadiz (50% of total searches to Costa de la Luz). The next most popular destinations are Tarifa (20%) and Islantilla (17%). Searches for hotels in Jerez de la Frontera (12%) are also popular.
KAYAK users have found double rooms in Costa de la Luz for as cheap as $30 (Huelva) in the last 3 days. The average price is $245.