Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Santander (97% of total searches to Cantabria Coast). The next most popular destinations are Noja (1%) and Isla (1%). Searches for hotels in San Vicente de la Barquera (1%) are also popular.
KAYAK users have found double rooms in Cantabria Coast for as cheap as £15 (Castro-Urdiales) in the last 3 days. The average price is £118.