You can purchase Windsurfing Equipment both online and at locations throughout Ireland. Typical windsurfing equipment includes Boards, Masts, Sails, Booms, Fins as well as accessories and wetsuits etc. Check these locations out and shop around to get the best value for windsurfing equipment;

www.bigsurf.ie 
www.surfdock.ie
http://www.irishwatersports.ie/sales.html
http://www.rusheenbay.com/live/6.html
http://www.jamieknox.com/shop.html

http://www.dmgsailsports.com/home.php