A stroll through any of the towns and villages that overlook the Cantabrian Sea Cantabria you will discover that gastronomy is essentially ... Sea and mountain produce top quality raw materials: rock fish from the Cantabrian Sea, sea bass, sea bream, turbot, San Martin, macho, red shell shellfish and seafood estuary, lobsters, crabs, crabs, barnacles, razor clams, red meat, native varieties like tudanca, limousines, calves and heifers on natural pastures.