Not exactly kayaking but..........

[Needlefish]

Have never float tubed NPH but the upper bay looks ideal for it. Plenty of space and no power boats (for the most part) to contend with. I know His and Her Fly Fishing has occasions float tube outings and they launch at North Star Beach. The extreme upper bay looks perfect for a float trip if you time the tides right. Just don't get suck in the mud at a low tide.