The Cronulla-Sutherland District Rugby Football League was formed in the early 1950s following the formation of several new Sutherland Shire based clubs and the arrangement of a committee that would eventually become the CSDRFL. All Shire based clubs had previously played in several Inter-District matches throughout the year but with the formation of a localised Sutherland league these were no longer deemed necessary.
The Cronulla-Sutherland Junior District Rugby Football League was formed in 1963 after a general meeting among several of the already established junior clubs whom decided it would be beneficial to form and arrange an annual competition amongst themselves and other teams in the Sutherland Shire.
Since its inception several new teams have gradually joined the association where the team numbers now stand at a total of sixteen clubs.
2006 A-Grade Premiership
De La Salle defeated the Taren Point Titans in the Final 30 - 16
Since the establishments of both the CSDRFL and the CSDJRFL many local players have gone on to play first grade for many of the Australian and overseas professional teams contained in the National Rugby League and the European Super League.