Herculina is a 50 m / 164′1″ luxury motor yacht. She was built by Feadship in 1998.
With a beam of 9.29 m and a draft of 3 m, she has a steel hull and aluminium superstructure. This adds up to a gross tonnage of 656 tons.
She is powered by Caterpillar engines of 1370 hp each giving her a maximum speed of 16 knots and a cruising speed of 15 knots. Herculina's maximum range is estimated at 6000 nautical miles.
The motor yacht can accommodate 10 guests in 5 cabins with an interior design by Glade Johnson and an exterior design by De Voogt.