And . . . It's not exactly a 21ft seacraft, but I'd bet $$$$$ that Navatek's boat rides damn good

There's no other boat builder throwing this kind of muscle behind R+D for a 22ft boat. If you want to buy a new offshore capable dry 21/22ft boat . . . this is where I'd start.
https://www.youtube.com/watch?v=xiaPMnSZ_fw
Watch the little clip of the small seablade 16footer around 40 seconds into the video. That boat is glued to the water for a small boat.