Matt Layden's Microcruisers
Matt Layden's Microcruising website
Matt Laydon has a number of tiny cruising yacht designs, though his site shows only study plans only for the Paradox and says to contact him if you want actual building plans. (http://www.microcruising.com/plans1.htm).
An owner's post on Facebook has the comment:
As for sailing ability, I'd rather be in my paradox than virtually every other trailer sailor I have ever sailed in of any size. I would not hesitate to head out in 25 kts winds in my 'dox. Sailing from inside gives you options you just don't get with other boats. Worrying less about getting wet and being uncomfortable is the biggest
... and I most certainly believe him.