The other day on TV I saw an interior designer use spa stones to cover up a bathroom floor. He put them around the corners and edges of the wall and around the rugs to hide outdated tiling. Does anyone know where I can find those rocks for pretty cheap? They look like black spa stones or something... The other day on TV I saw an interior designer use spa stones to cover up a bathroom floor. He put them around the corners and edges of the wall and around the rugs to hide outdated tiling. Does anyone know where I can find those rocks for pretty cheap? They look like black spa stones or something... I live in Ohio... do we have beaches in Ohio?! lol. I live in Ohio... do we have beaches in Ohio?! lol.