Welcome to the catamaran design website of Derek Kelsall.
With over 40 years of specialising in Catamarans and composites, and developing the KSS (Kelsall Swiftbuild Sandwich) custom build process for professional and
home boat builders, Kelsall Catamarans is the world leader in this field.
Build with KSS and achieve an
Efficient
Practical
Logical
Stylish
No compromise
BUILD SOLUTION
Design Plans
Arrangements
Resin Infusion
Frames for Half Hull
Shaping and Lamination
Modular Assembly
2009 marks a milesone for Kelsall Catamarans. It was 45 years ago that Derek Kelsall completed the Trans Atlantic race
in the first non-ballasted multihull. The 2009 race has just been won by a monohull for the first time in some years.