Here's a website that might lead you to some kayaking in Georgia. http://www.garivers.org/
And this one: http://www.gapaddle.com/
I'm moving back to North Georgia and hope to revitalize my yahoo group "kayak north georgia" after I settle in -- late Summer.
Here's another site that might help: http://kayaking.meetup.com/cities/us/ga/atlanta/
Electric Kayak Motor