We've had solo crossing on small sailing vessels, rowing skiffs, and a large hamster ball (which failed), but now we have one on a paddle board! Three months and 4,500 knots from Morocco to Antigua without even stopping at the Canary Isles. Who says a paddle board is not really a boat???
http://www.cnn.com/2017/03/09/sport/chris-bertish-sup-atlantic-crossing/index.html
http://www.cnn.com/2017/03/09/sport/chris-bertish-sup-atlantic-crossing/index.html