Here is a useful website to link up with other kayak fisherman in Ireland and all over the world. For example if you're planning a trip to Brittany in France you can get in touch with local anglers who can take you out and share their local knowledge, they might even put you up for a night or two. Likewise you can register on the site and offer the same help to fishermen seeking some action in your own corner of the world. Its got to be useful, even just to discover other kayakers in your own country.
www.cofishing.net