Watermark Wine is the personal project of Phil Steinschriber better known as the winemaker for Diamond Creek Vineyards for 29 years and counting. WaterMark Wine is Phil & his wife Diane’s joint venture. Since 1983, winemaker Phil Steinschriber has been at the forefront of the industry, with a long and distinguished career where he received scores of 100 points for his Cabernets several times. In 2004, Phil launched his own private label, WaterMark Wine. Since then, he has been tending his own beautiful vineyard on Howell Mountain. WaterMark Wine offers world class Cabernet Sauvignons. Phil monitors the vineyards from which these grapes are sourced to pick at the peak of ripeness, knowing that making great wine always begins in the vineyard.