Certainly Lahinch and Ballybunion have more substantial dunes and scenery, but I really liked the old school understated vibe at Portmarnock and, when I was there at least, the winds were not quite so vicious. I get where you're coming from, but I'd still consider sneaking a round in there, perhaps sans kids...The Island and Baltray are both very solid tracks. Can't speak for Royal Dublin, although this statement makes me a bit nervous: "Classically designed by the legendary Harry Colt, our links has been updated for the modern game by the current doyen of golf course design, Martin Hawtree."