Putting up a new marble tile backsplash for the kitchen is a fun project for anybody who wants to give their kitchen new life. Depending on your taste and the current décor of your kitchen, you can choose from a variety of marble tiles. Tiles vary in dimensions from 12x12 pieces to 1x1 mosaic marble tiles. Obviously, bigger tiles are easier to install. Marble tiles vary in cost. Mosaic marble typically come in meshed sheets and a square foot of the sheet could cost anywhere from $5-$35. Choose a tile that suits your taste and décor.