In 1983, Club Secretary, Fintan Mussen, in his report to the Annual General Meeting paid tribute to Sean Matthews, Pat Matthews and Sean Cairns for their efforts in the development of Hurling in the club.
The Senior team was beaten in the final of the Special Junior Hurling Championship.  The following year (1984) the Club won the Special U14 Centenary Hurling Championship against Mayobridge.
In 1991 the U16 team won the County 'B' Championship
Padraig Matthews and Francis Quinn were in the Down Minor Hurling team that won the Ulster championship in 1994.
The big break-through in Hurling in Clonduff came in 1996 when they won the Down Junior Hurling Championship, League Division 2 and Junior Feis 7s.
In 1998 Paddy Branagan became the 1^st Clonduff player to be named in a Down Senior Hurling squad.
Four Clonduff men played in the Down Junior Hurling team in 1999.  Allistair McGilligan, Paddy Branagan, Paul McCusker and Sean Curran played their part in Down's progress to the Ulster Junior Hurling Final.   Sadly they were well beaten by Tyrone on Sunday 6 June.
Some Rostrevor Senior players joined with Clonduff for the 2000 season due to insufficient numbers in both clubs.  
In July 2000 Clonduff Hurlers (no Rostrevor boys involved) win Fiddler's Green 7-a-side Tournament!  They previously lost 7-a-side County Junior Final
John Anthony Gribben, Clonduff and Inter-county Referee is Linesman in Croke Park in All Ireland Hurling Final.

2002 Achievements
Clonduff are County Junior Champions 2002! 
Clonduff are League Division 2 Winners 2002!
Clonduff are Betsy Gray Shield Winners 2002!

2003  - Reached County Intermediate Final

2005 - U12 Hurlers won League title - Club's first ever title at this level
            U16 Hurlers reached County B Final

2007 - U14 Hurlers win County Féile B title and for first time in Club's history take part in National Féile finals in   
           Kilkenny; also reach County B Final
           St Mark's High School Warrenpoint win U16 County title and were narrowly beaten in Ulster Final with
          11 Clonduff boys on the team
           The club's senior hurlers, under Gerard McNeill's management made their own little bit of history on
           Saturday 14th April 2007 when for the first time in the history of the club they played in an Ulster League
           game against Donegal side Four Masters and played at Tattyreagh near Omagh
           Two Clonduff Hurlers - John Murphy and Paul McCusker - on Down team that won Junior All Ireland
           Danny Nugent and Arthur McConville playing members of Down non-Ards team that won All Ireland 
           Minor C title
           U12s win Ballela Tournament

2008 - At the first ever integrated Down Awards night, John Murphy and Paul McCusker, members of Down Junior 
         Hurling team comprised of  non-Ards players (renamed South Down) received their medals for winning Leinster
         Shield. Brian Canavan as part of the management also received recognition.
         Arthur McConville and Danny Nugent on All Ireland Minor 'C' winning team
         Clonduff Senior Hurlers beaten in County Junior Final
        U14 Hurlers win 'B' League

2009 - Senior Hurlers reach semi finals in Ulster Club League
            U12 Hurlers top Go Games League
            U16 Hurlers win Div 2 League and Shield Championship final

2010 - Senior Hurlers win Junior Championship
                  Clonduff enter Seconds team for first time in Armagh Junior League and finish third

2011 - Hurlers in Semi Final of Ulster Club League