I don't have the lyrics, Marion (and there may be more than one translation), but when I sing "O Sole Mio" for groups that have a lot of Spanish-speakers, I often find folks trying to sing along in Spanish. I'm told there is at least one translation that's fairly well known in some Hispanic communities.

If I can find it, I'll post it. If someone else beats me to it, all the better. I'd like to have that version, too.

Genie