The Attessa IV is a megayacht that was launched in 2004. It is owned by Mexican businessman Alejandro Santo Domingo and his wife, Luli. The yacht is currently moored in Monaco.
The Attessa IV has a length of 134 meters (440 feet) and a beam of 20 meters (66 feet). It has a gross tonnage of 3370 tons. The yacht can accommodate up to 36 guests in 18 cabins, and has a crew of 42.
The Attessa IV is powered by two MTU diesel engines, which give it a top speed of 16 knots. Its cruising speed is 12 knots.
The yacht has an indoor pool, spa, gymnasium, cinema, and helipad. It also features an outdoor pool with its own beach club.