This article presents data of incidence, cause, and other knowledge we have about non cutaneous melanomas. What we found is that when analyzing cases with this type of cancer in Asturias, the incidence is much higher than what it is described in the literature for other parts of the world. It is interesting because the study has been carried out in the Central hospital of Asturias, it is the reference hospital in this province of northern Spain. My opinion is that the life expectancy of the region, combined with the lifestyle we have in Asturias, influences these data in a very noticeable way.