Lady S is a 46.09 m / 151′3″ luxury motor yacht. She was built by Benetti in 1989.
With a beam of 7.8 m and a draft of 1.8 m, she has a steel hull and aluminium superstructure. This adds up to a gross tonnage of 328 tons.
She is powered by Caterpillar engines of 1986 hp each giving her a maximum speed of 18 knots and a cruising speed of 10 knots. Lady S's maximum range is estimated at 5000 nautical miles.
The motor yacht can accommodate 10 guests in 5 cabins with an interior design by Terence Disdale and an exterior design by Ray Harvey.