The present invention is for a keyboard and mouse support device, wherein said mouse support comprising a mouse platform adopted to support a mouse, a support bar, and a spacer, which is positioned between the bottom surface of said mouse platform and the top surface of said support bar, and one or more gaskets positioned against said spacer, and means for connecting said mouse platform, said spacer and said support bar to one another; wherein said mouse platform, said spacer, and said support bar are connected to one another, a slot is created in said mouse support between said bottom surface of said mouse platform and said top surface of said support bar; wherein a keyboard platform is thinner than said slot created between said bottom surface of said mouse platform and said top surface of said support bar, said keyboard platform is slidably connected into said slot of said mouse support; and said keyboard platform is adopted to support a keyboard. The invention also provides a method of using a keyboard and mouse support.