The gate was formerly protected by a drawbridge and a moat, both of which have been removed or filled over centuries.
The fortifications were designed in a trapezoidal layout, a common defensive strategy for 14th-century Mediterranean towns.
It served as the main ceremonial entrance for arrivals coming from the direction of Palma, the island's capital.
The structure survived multiple sieges during the 16th century, including attacks by Barbary pirates.
The gate's architecture incorporates elements of the Gothic defensive style characterized by tall, vertical, and sturdy stone masonry.
Porta de Mallorca, also known as Porta de Sant Sebastià, serves as the primary entrance to the historic walled town of Alcúdia on the island of Mallorca. This 14th-century gate is a structural remnant of the medieval fortifications built under King Jaume II to protect the town from pirate incursions. The gate features two massive, crenelated square towers flanking a central stone archway. It retains the original defensive design, including stone shields and carved heraldic motifs. As the western portal, it provides direct access to the labyrinthine streets of the old town center. Visitors can walk along the accessible portions of the surrounding city walls that connect to the gate structure. The stonework is primarily composed of marès, a local calcareous sandstone widely used in Mallorcan architecture.
From the exterior looking inward at the archway during sunset, when the golden color of the marès stone is most pronounced.
Walk the elevated sections of the wall connecting from this gate for an unobstructed view of the surrounding countryside and the church towers.
Visit the local open-air market nearby if arriving on market days, as the area around the gate becomes a focal point for the town's social activity.
Bring comfortable walking shoes to navigate the original, uneven cobblestone paths leading from the gate into the old town.
Do not attempt to climb the exterior walls outside the designated access points, as the stone is fragile and protected.