The marinated tuna Ría de Santoña is a gourmet fish preserve elaborated in a traditional way in the Cantabria cannery of the marine town of Santoña. It is a pickled tuna preserve produced from clear tuna of the Yellowfin variety caught using traditional fishing techniques that are respectful of the environment and the biodiversity of the marine environment. Once at the Ria de Santoña cannery, the yellowfin tuna is cooked slowly and then hand-packed and dipped in a soft pickle made from white wine vinegar, bay leaf, vegetable oil, salt and spices. Ría de Santoña clear tuna marinade is presented in a format of 1,850 grams ideal for use in bars, taverns, restaurants and other hotels because of its large size.