the Mako XT, I have one and is in my rotation of boats I regulary paddle. Artisn Millenium and Sawyer Summersong are the others.
The XT is 19" wide, with a round bottom. I initially had stability problems with it, but after some seat time, the XT feels as stable as any other boat I have.
Full Size Sail Rig
URCHIN Portable Anchor