This could work in a tiny bathroom. Love the tiled floor/painted wall combo and the fact that the tiles in the shower match the wall colour but are different from the floor. The niche for storage works well for us too.
For a simple look - Large white tiles - Kerry Phelan Design. Similar layout of our small bathroom with a floating sink! Would prefer a glossier finish to the tiles since we won't be tiling all the walls "wet room.
The airy master bedroom and supersized bathroom make up one large room separated by glass-paneled carriage doors. The white tub and polished nickel tub filler are from Waterworks. The linen rug by the (Cool Bedrooms With Slides)