[1] It was created by the painter and scholar of Yucatecan heraldry Rolando Arjona Amabilis, was adopted in 1958.

On a brown background, at the lower left end, a mountain is represented with a curved tip, according to Mesoamerican iconography.

The yellow bar and the crescent moon on a red background were part of this character's coat of arms.

On the right side of the quarter hang the beads of a rosary, topped with a silver cross that is also an anchor.

In the same quarter above, to the left of the rosary, there is a representation of a broken shackle, from which a drop of blood falls onto a white plate bordered in green.

The lower right quarter represents Mazatlán, which in Nahuatl means "Place of deer" and, due to its meaning, the profile of a deer's head appears, inspired by an indigenous drawing, and two waves coming out of its mouth, symbolizing its bellow.

The anchor refers to the port and pays homage to the sailors who discovered it and named it "San Juan Bautista de Mazatlán" in the 16th century.

It has an oval shape, which is actually a representation of the pitahaya, a fruit from a cardón that grows in the semi-desert areas of Mexico and that gives its name to the state.

[3] The eagle that appears is a reminder of the coat of arms used when Sinaloa and Sonora formed the "State of the West" between 1821 and 1831.