These are a few links to some of the better boating websites in Ireland and the UK

Club Powerboat

Shannonbound.net

Inland Waterways Association of Ireland

Yachting & Boating World

Bruno Chanal's French Waterways Site
This site is in French so use Google translator
There are plenty good photographs of the French waterways.

Jean Yves Cunningham's web site about his life living aboard his boat.