wavetrainSUP is the sister site to quietwater paddles. Where quietwater is focused on canoe paddles, wavetrain is focused on paddleboard (aka SUP) paddles.
While the paddling style is quite different between the two watery pleasures, the paddles are virtually identical, differing only in length. Regardless of which pleasure you prefer, I hope you build your own paddle and then get out on your local water and paddle it!