How would I find Irish people who met their partners whilst on holiday
somewhere remote in the world?  These need to be people who are still
together and living in the remote location .  One half of the
partnership needs to be Irish and the other indigenous to the remote
location.  I am trying to research a series of articles for
publication in a national newspaper in Ireland, so these people would
need to be willing to particpate.  Are there are any sensible
discussion forums/noticeboards I could use?  Think Shirley Valentine
for the concept.

I would try posting here: http://www.expatfocus.com/forums
  
Specifically for Greece and the Greek islands...
  
http://www.expatfocus.com/index.php?name=Forums&file=viewforum&f=35
 
http://greeceishome.gr/forums/default.asp
 
You could also try contacting the Greek-Irish Society:
http://www.greekirishsociety.gr/
  
You could put an ad in the Athens News (an English newspaper published
in Greece certainly read by Irish people):
http://www.athensnews.gr/dolma/dol_ma.maindex
  
Hope this helps.