Vinny signed for Waterford United in 2002 and made an immediate impact as he helped the Blues to the League of Ireland First Division title, contributing thirteen goals in the process.

Cork were defending the title they won in 2005 when Sullivan was scoring for Waterford United but Vinny did not play much.

Vinny found himself back in the Premier Division with Waterford United for the 2007 season after Shelbourne were relegated.

He left the club for a brief period in 2009 to concentrate on Gaelic football with Dungarvan, but on 26 August 2009, he signed again with Waterford United.

[2][3] He scored a 35-yard curler on his return against Waterford in the quarter final of the Munster Senior Cup on 13 February.