A vibration isolator mount 5 includes: an inner cylinder body 30 ; an outer cylinder body 31 arranged around the inner cylinder body 31 ; a flange portion 32 provided at a front end portion of the outer cylinder body 31 in the axial direction so as to extend raidally outward; a rubber elastic body 33 interposed between the cylinder bodies 30, 31 to connect therebetween; and a stopper rubber elastic body 34 provided at a face of the flange portion 32 facing outward with respect to the cylinder axial direction. Holes 34a open at a stopper face 34b and extending inward along the cylinder axial direction are formed in the stopper rubber elastic body 34 . A rigid body 35 is provided at a part inside than the holes 34a in the stopper rubber elastic body 34 with respect to the cylinder axial direction.