O'Neill's GFC An Port Mór is a Gaelic Football Club based in the village of Blackwatertown on the banks of the river Blackwater. The clubs teams play in the Armagh leagues, with the senior team currently residing in the All County Intermediate League and Intermediate Championship.
The club coach players at under 5, 7, 9, 11, 13, 15, 17 and senior level. The clubs grounds are 'O'Neill Park' and opened in 1978. The club also has a fully floodlit training field as well as a hall and four changing rooms. The 'O'Neill's GFC An Port Mór Community Sports Complex was opened in 2017 and has been a great addition to the club and local community. The club have recently purchased an adjacent field and hope to develop a second full size pitch.
Naomh Mhuire Camogie club are also resident at O'Neill Park.
Junior Championship - 1954, 1991, 2006, 2012
Ulster Junior Championship 2012
Minor Championship - 1961