I am an ex Wagga Wagga Boat Club member from way back and use to travel the inland curcit regularly on my 16ft Dolphin Catamaran.

Some NSW Clubs we visited were the Griffith SC, Lake Cargelligo, YMCA SC

Wagga Wagga Boat Club - http://www.waggaboatclub.com/
Lake Cargelligo sailing club – http://www.nsw.yachting.org.au/db/clubdisplay.asp?ID=2042&Action=Display
Griffith Sailing Club – ???
YMCA Sailing Club (ACT) - http://www.ymcacanberra.org.au/sailing_club/Introduction.htm
Lake Keepit Sailing Club - http://www.nsw.yachting.org.au/db/clubdisplay.asp?ID=2044&Action=Display
Lake Jindabyne Sailing Club - http://www.nsw.yachting.org.au/db/clubdisplay.asp?ID=2043&Action=Display
Tanilba Bay Sailing Club - http://www.nsw.yachting.org.au/db/clubdisplay.asp?ID=2100&Action=Display
Speers Point Sailing Club - www.sailingspeerspoint.org.au