The tuna belly from the North in olive oil is an exquisite artisanal preserve made from fish caught by rod in the Bay of Biscay. This delicacy is meticulously handcrafted by Marino Martínez de Luco, ensuring exceptional flavor and texture characteristic of these gourmet preserves. With a net weight of 280 grams, its careful presentation makes this product a true gastronomic luxury, ideal for enjoying on special occasions or to indulge at any time.