A rapid water ambulance for transport of patients, the injured and the like, comprising a sick bay solidly constrained to a structure of the water ambulance and support apparatus (10) for a stretcher, arranged in the water ambulance, The support apparatus (10) comprises: - a support column (20), constrained to the sick bay with a fixed axis with respect to the compartment, - a carriage (30), constrained to the column (20), freely slidable along the column (20) in the direction of the axis (A) thereof, - a support plane (11) for a stretcher, borne projectingly by the carriage (30) and solidly constrained thereto, - a damped suspension device (33), constrained to the carriage (30) and to the column (20), which supports the support plane (11) at an operating height, supporting the weight placed thereon and able to damp impacts acting on the support plane (11) caused by the motion of the water ambulance on waves, wherein the axis (A) of the support column (20) is inclined with respect to the perpendicular direction to a floor (P) plane of the sick bay and lies in a vertical plane parallel to the motion direction of the water ambulance.
