Swan 431 Sailboats for Sale

Drawing Diagram

Builder drawing

Hull Type

Monohull · fin

Rig

Masthead Sloop

LOA

43.25' · 13.18 m

Disp.

26,500 lbs · 12,020 kg

First year

1976

The Swan 431, introduced in 1975, represents a pivotal era in the collaboration between Nautor’s Swan and the legendary design firm Sparkman & Stephens. Following the success of the original Swan 43, the 431 was conceived as a more powerful, refined evolution that embraced the International Offshore Rule (IOR) aesthetics of the mid1970s. During its production run from 1975 to 1979, Nautor completed 32 hulls, positioning the vessel as a highend dualpurpose cruiserracer. Unlike its predecessor, the 431 featured a longer waterline, increased beam, and the characteristic "tumblehome" hull shape that defined S&S designs of that vintage. Today, it is regarded by the S&S Swan Association as one of the most aesthetically balanced models of the era, offering a blend of brute strength and classic Finnish craftsmanship.