The Swan 40 is a Finnish sailboat that was designed by Sparkman & Stephens as a cruiser and first built in 1970. The boat is Sparkman & Stephens' design 2025.[1][2][3][4][5]
The boat is often referred to as the Swan 40 (S&S) to differentiate it from the 1992 Swan 40 designed by Germán Frers. It was also sold in the United States as the Palmer Johnson 40.[5]