Glin is good over low water all right. Fecking crabs tho'
If I was going to Waterford / Cork looking for a ray, it would be in winter at distance with sandeel for a painted ray. Probably a bit late now, but you never know. Garryvoe is spot on although I think I saw a recent report for painted rays off Youghal beach?
Fished a lot of West Cork, rock and beach marks, and caught very few if any rays. Weather was sh**e too!