The credit for the first Iberian to step foot in the Islands may not actually belong to Magellan’s expedition. It may to some unknown, nameless Moor, or Andalusian (Muslim/Arab from Al-Andalus).
Andalusians, because of their relatively isolated location, frequently traveled throughout the Muslim world, reaching even the furthest Muslim courts of India and East Asia. Stories from the 10th century tell of an Andalusian ship shipwrecking in the East and even intermarriage. Reports from Portuguese expeditions in the 15th century detail encounters with Muslim Spanish speakers in Hormuz. A 1585 report to the Spanish crown about the Philippines explicitly connects the Moorish presence in Asia with exiled Andalusians.
Over the course of the centuries long Reconquista, there were periods marked by the expulsion and exile of hundreds of thousands of Andalusians. They scattered to the farthest corners of the Muslim world, a few settling in East Asia and possibly becoming the first Iberians to visit our archipelago.
The Christian world in their ‘Age of Exploration’, weren’t really exploring at all. They were in a way…retracing.