The yacht design firm of C/S/K
An appreciation of the catamarans designed and built by the firm of C/S/K—or Rudy Choy, Warren Seaman and Alfred Kumalae.
The yacht design partnership of C/S/K was responsible for some of the finest ocean sailing catamarans ever built. The firm was active in the 1960’s - a decade of creative innovation everywhere - but especially in the amped up cultural milieu that was California.
They rode a remarkable wave of opportunity that…









