At the base, sea waves argent and azure, all surmounted in chief by two male heads, severed and haloed.

The crest is a closed royal crown, a circle of jeweled gold, made up of eight rosettes in the shape of acanthus leaves, only five visible, interpolated with pearls, and with half-arches topped with pearls raising from each leaf and converging in an orb azure, with submeridian and equator or, topped with cross or.

[2] The historic part of the first field shows the emblem of the conquest of Seville by Cantabrian marines in 1248, with the tower (representing the Torre del Oro) and the ship breaking the chain boom that blocked the way through the river Guadalquivir.

The hagiographic references consist in the heads of the martyr saints Emeterius and Celedonius, representing the unity of the territory under their patronage.

The second field shows the image of one of the most important legates left by the primitive people who inhabited the region: the giant steles of the Cantabri.