Zach,
Since moving down to South Florida, I am discovering the world of SUP’s and they are everywhere down here.
There are some cheaper paddle board paddles down here. I will look next time I am in Gander Mountain, Sports Authority and my Kayak shop. You can get one for a reasonable fee, or an obscene fee, your choice;)
Here’s a link to Gander Mt site–
http://search.gandermountain.com/?D=paddle+board+paddle&Nty=1&N=0&Dk=0&Ntt=paddle+board+paddle
Here’s one at Sports Authority
http://www.sportsauthority.com/product/index.jsp?productId=12951635&cp=711581&pg=2&parentPage=family
This paddle shows 59.95 during a search, but shows 99.00 with a call them message-
http://www.pbsboatstore.com/airhead-ahsup-p1.htm?feed=Froogle&gclid=CL3A1LPEr7YCFQUHnQodHBAAMA
89.00