A seismically restrained vibration isolating mounting device seismically restrains and vibrationally isolates equipment which is supported by an equipment support means, from the equipment mounting surface. This seismically restrained vibration isolating mounting device is comprised of a three-axis snubber mounted to the equipment mounting surface and which restrains the equipment support means; and a vibration isolator, wherein the equipment support means is supported by the vibration isolator and wherein the vibration isolator is supported by the equipment mounting surface, wherein the vibration isolator acts in the direction of gravity, and wherein the three axis-snubber is closer to the equipment supporting surface than the vibration isolator, and the vibration isolator is external to the three-axis snubber.