Unforgettable is a 41.8 m / 137′2″ luxury motor yacht. She was built by Royal Denship in 2003.
With a beam of 8.1 m and a draft of 2.3 m, she has a GRP hull and GRP superstructure. This adds up to a gross tonnage of 409 tons.
She is powered by CAT engines of 600 hp each giving her a maximum speed of 13.5 knots and a cruising speed of 10 knots. Unforgettable's maximum range is estimated at 4300 nautical miles.
The motor yacht can accommodate 10 guests in 5 cabins with an interior design by Francois Zuretti and an exterior design by Danyard.