As specialists in water jet propulsion systems for over 50 years, Castoldi knows what it takes to design and manufacture the perfect hulls.  Their Jet Tenders consist of a range of rigid inflatable boats fitted with diesel engines, water jet drives and the highest quality equipment available for best performing yacht tender duties. Jet Tenders can travel, remaining stable and dry, at more than 30 knots in rough offshore waters, as well as in shallow waters. Another feature of all models is these boats do not have any exposed rotating parts or protrusions under the keel and are therefore safe for people in the water or on-board and able to safely cruise at night.