The Balance 580 is a 17.78-metre current performance sailing catamaran in Balance Catamarans' current model range. Official specifications give a 8.60-metre beam and a boards-up draft of 1.65 metres.
Balance lists Twin Yanmar 4JH80 engines with SD60 saildrives. Fuel capacity is 1,000 litres. Fresh-water capacity is 600 litres.