Just stringing the lines between a molded floor pan and the hull invites pinching wires between the two under heavy pounding conditions. After a few hours or days of that an electrical short or fire s possible. If you look over the engine compartment in a good ocean voyager you will find almost fanatical attention to double clamps, hose routings, and zero occurrences of hoses rubbing or flexing with stress concentrations. Cockpit should be small and drainage needs to be excellent. A cockpit should hold very little water when dumped upon and should be able to drain out in seconds.
Many offshore boats have provisions for a trysail.
A tiny but very rugged sail that is hung on a separate track. One of the more important qualities is the angle of stability. The angle of stability is the angle where the torque is neutral, the dividing point between wanting to come up to 0 degrees or continue down to 180 degrees. Some beamy cruisers have an angle of stability at 110 or 120 degrees. A knockdown that takes them beyond that angle will normally result in a 360.