Danny, there is a couple of clubs in Sydney. Sydney Paddle Surf Club (SPSC) in the Northern Beaches or Cronulla and Sutherland SUP Club (CSSUPC) in the South. They both have websites. If you want to just paddle on the Harbour there are like minded paddlers launching from OZ SUP Centers in Rose Bay, Scenic SUP Tours on the other side from Sirus Cove in Mosman or you can join the BLAST Paddlers Crew which covers all of these locations and more! All of these guys have websites and Facebook pages. If you want to race then try the 2011 Summer Series ... first race this weekend at Balmoral. YEEW!