The tournament consists of 16 teams, with the winner going on to represent Mayo in the Connacht Senior Club Football Championship.
Ballintubber were the defending champions after they defeated Castlebar Mitchels in the previous years final, however they lost their crown at the Semi-Final stage, being defeated by Breaffy.
[citation needed] This was Ballyhaunis' first return to the senior grade in over 20 years after claiming the Mayo Intermediate Football Championship title, 26 years after they won their last Intermediate crown in 1988.
[citation needed] Shrule-Glencorrib were relegated to the Intermediate ranks for 2016 after 12 years as a senior club.
[citation needed] The following teams have changed division since the 2014 championship season.