Boatseekr is a modern platform for a timeless pursuit — from first search to first sunset, we've got you covered.
Real Brokers, Real Boats - no noise.
AI powered image search - Find your boat in seconds.


The Kelsall KSS 58 is a high-performance cruising catamaran designed by renowned multihull innovator Derek Kelsall, showcasing his signature Kelsall Swiftbuild System (KSS) for lightweight strength and efficient construction. Its sleek, wave-piercing hulls and refined hydrodynamics provide a smooth, stable ride offshore, making it equally capable for passagemaking or fast coastal cruising.
Above deck, the KSS 58 features a spacious and functional layout with wide side decks, a large cockpit for entertaining, and excellent visibility from the helm. The design emphasizes indoor-outdoor living, with seamless flow between the cockpit and saloon. Inside, the yacht offers generous accommodations, typically including multiple cabins with ensuite heads, a well-appointed galley, and a bright, airy salon enhanced by panoramic windows. Every detail reflects a focus on comfort without compromising performance.
Whether owner-operated or crewed, the Kelsall KSS 58 stands out as a versatile bluewater cruiser that blends cutting-edge construction with practical livability. It appeals to experienced sailors seeking speed and efficiency, as well as those looking for a comfortable long-range platform capable of extended cruising in style.