St. Brendan’s accomplishments, miracles and good works are numerous and difficult to list. There are several sources listed below that give more information:

http://www.newadvent.org/cathen/02758c.htm (about St. Brendan)

http://saintspreserved.com/brendan.htm (links to St. Brendan)

http://www.castletown.com/brendan.htm (voyage)

http://www.nordzeit.de/discam.htm (Who Really Discovered America?)