A 1985 78 ft sailing superyacht still sailing in 2026.The Kelsall Manannan 78 is a legendary, custom-built ocean-crossing multihull yacht designed by the famous multihull innovator Derek Kelsall. Built on the Isle of Man by Manannan Yachts, it utilized advanced foam-core fiberglass composite construction techniques.The Kelsall Manannan 78 is designed for serious bluewater capabilities, commercial crewed charter operations, or ultra-spacious liveaboard cruising. Its core technical specifications include:Length Overall (LOA): 78 feet (23.77 meters)Beam: 35 feet (10.67 meters)Draft: Maximum 9 feet (with daggerboards down) to minimum 7 feet Air Draft: 105 feet Layout: 5 cabins and 5 heads with a galley-down configuration Performance & Autonomous SystemsOffshore Pedigree: Built for high-speed long-range cruising, this hull design famously outpaced its competitors by nearly two days in the 1990 Atlantic Rally for Cruisers (ARC).Propulsion: Equipped with twin 330 HP Sabre Ford turbocharged diesel engines alongside BPM V-drives and 5-blade feathering MaxProp propellers.Tankage: Massive storage capacity built for global autonomy, carrying approximately 1,600 gallons of diesel fuel, 800 gallons of fresh water, and 200 gallons of black water.Power & Rigging: Utilizes redundant Northern Lights generators (an 8kW and a 30kW unit) paired with a specialized hydraulic PLC-controlled winch system.