The Mystic Mini-Tonis a fractional sloop rigged recreational keelboat designed as an International Offshore Rule Mini Ton class, Midget Ocean Racing Club, and club one design racer. First built in 1977 in Mystic, Connecticut, it is out of production, with 12 built.
The fiberglass hull has a reverse transom, and an internally mounted spade-type rudder controlled by a tiller. Its hull speed of .
It has four berths and cabin headroom is .