Eleonora is a displacement yacht with a steel hull, aluminium superstructure, and transom stern. Fuel, water, oil, black- and grey-water tanks are incorporated in the hull structure forming a double bottom
The hull is grade A steel. The superstructure is aluminium AlMg4.5Mn/AlMgSi 0.5-1. The two main engines are Caterpillar 3406E DI-TA diesels, each rated at 354 kW @ 1800 rpm. The top full-load speed is 12.5 knots. Continuous speed is 10 knots.