Ilonka is a 45.6 m / 149′8″ luxury motor yacht. She was built by Pendennis in 1999.
With a beam of 9.5 m and a draft of 2.7 m, she has an aluminium hull and aluminium superstructure. This adds up to a gross tonnage of 509 tons.
She is powered by Caterpillar engines of 960 hp each giving her a maximum speed of 15 knots and a cruising speed of 13 knots. Ilonka's maximum range is estimated at 6000 nautical miles.
The motor yacht can accommodate 12 guests in cabins with an interior design by Redman Whiteley and an exterior design by Dubois Naval Architects.