The yacht «Pluto 800» designed by the rules of class T800/O800. The vessel could serve both racing, and cruise Division. For its size yacht transportable to a caravan of cars and can be easily transported to the site of competitions or cruise. When designing the application of CAD technology has been implemented serial calculations traction properties of different options Aerohydrodynamic layout of the ship using programs VPP and RMP. The design used the experience gained in establishing the 9-meter ocean racing yachts «BlackSea30» ( «Daughter of the wind» V. languages) In the cruise was extended version (in the nose and aft) and extended cockpit. The reconfiguration of the cockpit, the possibility of installing a stationary engine (Yanmar saildrive). One man can manage a boat with not too much efforts from the steering seat.