Mosaic Tile Low Tide by MandarinMoon, via Flickr
Escuela de Mosaico: Rk Mosaico: TRABAJOS DE RK MOSAICO
mosaic koi pond - great shadowing, details like the fish breaking the surface. I think it would be even more effective with less contrast in the water, but it's amazing.
Martin Alejo Mangeaud - Table top, stepping stone in a simpler design, coaster, loads of uses for this pattern.
Mosaic Lighthouse (artist?)