The Lagoon 51 Iconic is a 15.60-metre current production model in Lagoon's Sailing Catamarans range. Official specifications give a 8.10-metre beam and 1.40-metre draft.
Lagoon lists Twin 80 hp engines. Fuel capacity is 1,040 litres and water capacity is 830 litres. Published layouts provide up to 6 cabins. Lagoon publishes four- and six-cabin versions; cabin_count records the maximum published layout.