Althea is a 37.5 m / 123′1″ luxury sailing yacht. She was built by Kanelos in 1993.
With a beam of 7.62 m and a draft of 3.22 m, she has a steel hull and aluminium superstructure. This adds up to a gross tonnage of 148 tons.
She is powered by MAN engines of 360 hp each giving her a maximum speed of 12 knots and a cruising speed of 11 knots. Althea's maximum range is estimated at 1700 nautical miles.
The sailing yacht can accommodate 10 guests in 5 cabins with an interior design by Winch Design and an exterior design by Nicholas Moschonas.