Some believe that the unusual size and grandeur of the church was an effect of the church being situated near the coast, close by a good natural harbour, and the parish may have benefited economically from foreign trade.
Algúns cren que o tamaño tan pouco común e grandioso da igrexa débese a que está situada preto da costa onde hai un bo porto natural, polo que a parroquia puido beneficiarse economicamente do comercio exterior.