I used to sing this one; I think it was written by Robbie O'Connell but not sure. Can't remember the name but I really like the song.

Tis many the tide now has turned since I stood all alone on the Quay key) and watched as you waved me goodby and I felt my heart breaking in me.

and

I'll drink to the times that are past and the days when we stood on the shore
To you I will raise up my glass for I know that I'll not see you more.

Don't know the name so cant look it up.