The Sonata 26 is a sailboat that was designed by American Gary Mull.
[1][4] The boat was built by Investigator Yachts in Australia, who completed 66 examples, starting in 1980.
[1][4] The Sonata 26 is a small recreational keelboat, built predominantly of fiberglass.
It has a fractional sloop rig, a transom-hung rudder and a lifting or optional fixed fin keel.
A fixed keel version was also built with a draft of 5.2 ft (1.6 m)[1][4] The design has a hull speed of 5.96 kn (11.04 km/h).