Founded 1937, affiliated 1937.

Castletroy Golf Club won the Munster Final of the Irish Senior Cup in 2007, and it was on to Shandon Park Golf Club for the All-Ireland Finals deciders. They were drawn against Connacht Champions Co. Sligo Golf Club in the All-Ireland Semi-Final on Friday 14th September.

Co. Sligo were to prove too strong on the day for the men from Limerick when they recorded a 4 matches to 1 match win over Castletroy, the Rosses Point team were to go on and win the All-Ireland Final against a very seasoned Banbridge team by 3 ½ to 1 ½ so Castletroy’s loss was very creditable.

The team on the day was, Stephen Moloney, Cian Daly, Eamonn Haugh, Jason Tobin and John Kavanagh.

First on the tee was Stephen Moloney against Martin McTernan who lost his match by 3 and 2, he was followed by Cian Daly who halved his match with Keith O'Neill. Next up was Eamonn Haugh against Seryth Heavey who went down by 4 and 3. The penultimate match was Jason Tobin against Gary McDermott; Jason lost his match by 5 and 4. The anchor match saw John Kavanagh halve his match against David Dunne.

Castletroy Golf Club won the Munster Final of the Irish Club Youths' in 2007, and made the journey to Malahide Golf Club on Tuesday 21st August to participate in the All-Ireland decider.

They met Ulster Champions, Donaghadee Golf Club, Leinster Champions, The Island Golf Club and Connacht Champions Claremorris in the All-Ireland Final.

They finished third to Donaghadee who had a score of 296, The Island 302, Castletroy 311 and Claremorris 313.

The Team on the day was, John Kavanagh, Jason Tobin and B. Reidy.

Gillian O’Leary won the Castletroy Scratch Cup on Sunday 27th August 2006, with rounds of 78 and 77 when she piped Catherine Tucker of Limerick Golf Club by a solitary shot with Niamh Kitching from Claremorris Golf Club a further shot back on 157.

36 A Elkin (Omagh) (26)

35 J Kinahan (Tipperary) (21)

34 J Slattery (Douglas) (23)

32 J Eastwood (Holywood) (16

To celebrate the Year-of-the-Ryder Cup in Ireland the ILGU in conjunction with O2 held a special competition called the Challenge Trophy, whereby the winner and runner-up would receive tickets to the Ryder Cup with 3rd and 4th placed receiving tickets to the Practice Days. The final was played at the K Club on 31st July 2006

J. Kinahan came in a close second with 35-points with, A. Elkin playing off a handicap of 26 won by one with 36-points, with J. Slattery from Douglas, with 34 points coming 3rd and J. Eastwood from Hollywood Golf Club coming in 4th with 32 points.

Evelyn Cahill won the ILGU Silver Bowl at her home club on Monday 17th July 2006, playing off a handicap of (19) she returned a score of 72 to beat Irene Poynton from The Island on a count-back and her club-mate Judy Ribeirs on a similar score.

Doreen Patterson won the ILGU Bronze Bowl at Dun Laoghaire Golf Club on Monday 17th July 2006, playing off a handicap of (25) she returned a score of 67 to beat Siobhan Cullen from Hollystown Golf Club by a single-shot, she was followed by her club-mate Deirdre Hogan-McGrath who came 3rd with a 68 and Mary Nolan from Beaverstown Golf Club on 69.

Castletroy Golf Club win the Munster Final of the Irish Junior Foursomes at Co. Tipperary 28th June 2006.

It was on to Balbriggan Golf Club in North Dublin on 29th August, where they were drawn against the Leinster Champions The Island Golf Club in the Semi-Final.

First on the tee Bernard Reidy with Jack Molyneaux against James Monaghan with Darragh Rodgers, the boys’ from The Island had a comfortable 5-hole win, they were followed by James Kavanagh with John O’Dwyer who were narrowly beaten by Simon Arthur with David Weldon by 1-hole. It was not to be for the Limerick boys’ but The Island went on to win the All-Ireland in the afternoon against Fortwilliam.

Castletroy Golf Club won the All-Ireland Irish Senior Cup at Woodbrook G. C. in 1993, when the team was J. Kavanagh, G. O'Mahony, E. Haugh, A. Pierse, M. Cregan, P. Sheehan, P. Charlton, S. Moloney, M. Barrett, they were captained by T. Callanan.

They won the All-Ireland Barton Shield at Tramore G. C. in 1984, when the team was, Gerry McCormack, Dermot Cross, Brian Begley, Neill McGill, Tom Corridan, John Kavanagh, they were managed by Michael Henchy.

 They won the All-Ireland Irish Junior Cup at Portmarnock G. C. in 1972, when the team was, Hugh Mescall, Dan Houlihan, Ian McGill, Denis Noonan, Brian Begley, Paschal Ryan, they were captained by Tim Glynn assisted by Louis Fine.

They won the All-Ireland Jimmy Bruen Shield at Galway G. C. in 1986, when the team was, J. Moloney, J. McCarthy, T. Maher, B. Maloney, D. Leonard, M. Skehan, D. Cassidy, M. Markham, P. McDonnell, G. O'Mahoney, M. Jones, E. Haugh, P. Morrissey, P. Courtney, they were captained by C. de Courcy and co-ordinated by B. Byrne.

Castletroy Youths' won the Munster and All-Ireland Club Youths' Championship and went on to be runners-up in the Aer Lingus International Youths' in 1980, when the team was, Neil McGill, Tom Corridan, Brendan McDaid, Kieran Maher, John Kavanagh, they were managed by Hugh Mescall.

Castletroy Golf Club won the All-Ireland Junior Foursomes in 2000, when the team was, Darragh Walshe, Cian Daly, Redmond McDonnell, Rory McDonnell and Derek Basnet, they were captained by John Griffin.

Castletroy Golf Club won the Munster Final of the Barton Shield in 1992, when the team was,  M. Barrett, N. Bennis, D. Devane, P. Gleeson, N. McNulty and S. Moloney, they were captained by J. Maloney.

Castletroy Golf Club won the Munster Final of the Barton Shield in 1989, when the team was, Diarmuid Leonard, Michael O'Rourke, Tom Corridan, Declan Quilligan, John Kavanagh, they were managed by Paschal Ryan.

Castletroy Golf Club won the Munster Final of the Barton Shield in 1988, with, J. Kavanagh, T. Corridan, P. Sheehan, D. Cross, G. McCormack, E. Haugh, M. Cregan and M. O'Rourke, they were managed by Michael Skehan and Jack Ridgway.

They won the Munster Final of the Barton Shield in 1987, when the team was, Tom Corridan and Kieran Maher, Dermot Cross and Peter Sheehan, Brian Begley and Michael Hickey, they were managed by Gerry McCormack.

They won it in 1983, with Tom Corridan, Dermot Cross, Michael Hickey, Neil McGill, Gerry McCormack, Sean Meaney and Paul Sweeney, they were captained by Brian Begley and managed by Hugh Mescall.

They won the Munster Final of the Barton Shield in1982, with, D. Cross, B. Begley, J. Griffin, N. McGill and T. Corridan.

Castletroy first became Munster Champions in the Barton Shield in 1977, when the team was Brian Begley, H. Mescall, R. O. Looney, D. Cross, T. McMahon and V. Rres.

Castletroy Golf Club won the Munster Final of the Irish Junior Cup in 1985, when the team was, J. McCloskey, K. Maher, P. Sheehan, W. Maloney, T. Sheehan, M. Skehan, M. Markham, E. Haugh, D. Stephens, G. Maher, P. Mellett and P. McDonnell, they were captained by J. Moloney and co-ordinated by M. Skehan.

Castletroy Golf Club won the Munster Final of the Pierce Purcell Shield in 1994, when the team was Dennis Hogan, Jed O'Dwyer, John Walker, Eddie Quinlan, Tedd O'Donnell, Keith Cohalan, Jim Hogan, John O'Gorman, Willie Moore, Noel Egan, Mick Tracy, Liam Collopy, Brian Byrne, Aonghus O'Dalaigh, Michael Donnellan, Tony Clancy, Chris Murphy and Ger Ryan, they were managed by Jimmy Condon.

Castletroy Golf Club won the Munster Final of the Pierce Purcell Shield in 1974, when the team was, Billy Bermingham, Fred Bourke, Paul Costello, Michael Conway, Paddy Cunneen, Martin Herlihy, Jim McDermott, Joe McNulty, Michael Markham, Bob Nix, Michael O'Brien and Jim O'Sullivan, they were captained by Liam Meade.

They won the Munster Final of the Jimmy Bruen Shield in 1981, when the team was, John Moloney, Michael Markham, Michael O'Shea, Sean Leonard, Peter Mellett, Pat Murphy, Ned Stokes, Seamus Cleary, Derek Hickey, Jim McCarthy, Joe McNulty, Michael Meehan, Pascal Ryan, Johnny Kavanagh, Hugh Mescall, Tom Callanan, Paddy Morrissey and Pat McDermott, they were captained by Cyril de Courcy.  

L. Martin was elected to the council of the Munster Branch of the GUI for 2001.

Castletroy won the Irish Junior Foursomes, sponsored by Jefferson Smurfit Group plc. at Strandhill G. C., on Monday, 21st August, 2000. They beat Charlesland in the Semi-Final and Westport in the Final. The team was Cian Daly and Rory McDonnell, with Daragh Walsh and Raymond McDonnell.

T. Corrigan participated in the Home International matches from 1983 to 1992, playing 21 matches and represented Munster, playing 50 matches. 

S. Maloney participated in the Boys' Home International matches in 1990. He represented Munster from 1994 to 1996, and played Munster Youths from 1992 to 1994, playing 10 matches. 

B. Begley represented Munster from 1979 to 1986, playing 19 matches. 

J. Kavanagh represented Munster from 1989 to 1994. 

P. Sheehan represented Munster in 1994. 

Barbara Hackett played in the Girls' Internationals in 1985, and 1986, and Senior International, in 1993, 1994 and at Longriddry in 1996 and was a reserve on the Irish team that played in the European Ladies Team Championship at Nordcentre Golf and Country Club, Finland in 1997. She represented Munster from 1991 to 1998 before turning Professional by qualifying 22nd in Portugal for the Ladies Tour in 1999.