Spatial Arts is a landscape design and site planning firm located in Sag Harbor, NY. Our service is personalized, our designs are site specific and our finished products speak for themselves. We engage passionately with targeted expertise from the initial concept to the very last detail. Spatial Arts is widely known for a distinctive modernist aesthetic that blends clean lines with the lush textured foliage of the finest plant material available. Spatial Arts was founded in 1987.