I was searching for same thing SUP Community/Buddy, that lead me to this website, and found your post,
I'm in sydney (north west), I used to do skiing and hiking (4000/5000 meters-summit), but now trying to be easy on my knee, so i started SUP recently, supposed i'm newbie

but if you don't mind happy to join you.
I was also thinking to join Sydney Paddle Surfing Club,
spsc.tidyhq.com/ They are very active but i'm trying to avoide facebook.