Tenuta San Guido is located in the Bolgheri seaside region of Tuscany, Italy. The Sassicaia wine produced in the winery is known as the king of Italian wines and enjoys the reputation of "Italian Lafite".

Mario Incisa della Rocchetta is the founder of Tenuta San Guido. He loves wine, horse racing and environmental protection. He has always dreamed of making a wine of excellent quality, an Italian wine that can be popular among the upper class, preferably in the Bordeaux style. In the 1940s, Marquis Mario and his wife came to settle in Sanguito Winery. He kept experimenting with this high-quality soil and finally made the pioneering use of Cabernet Sauvignon to make wine. innovation, becoming the "first person to eat crabs".

Tenuta San Guido produced Sassicaia wine from 1948 until the mid-1960s, but at that time it was only consumed within the winery. 1968 is a year worth remembering. This year, Sassicaia, which has been continuously improved, was launched for the first time. In the international blind tasting competition that year, Sassicaia shocked the entire wine world with its excellent performance. Its popularity is comparable to the top wineries in Bordeaux.

Tenuta San Guido's vineyard covers an area of ​​173 acres (about 70 hectares), all located in the Sassicaia DOC production area. The garden is planted with 85% Cabernet Sauvignon and 15% Cabernet Franc. The average age of grapevines is 25-30 years, the planting density is 4,000-5,000 plants/hectare, and the average yield is 1 kg/plant.

Tenuta San Guido's wines are produced in temperature-controlled stainless steel vats with a capacity of between 3,500 and 11,000 liters. The maceration time is approximately 2 weeks. Aging is carried out in 33% new French oak barrels with a capacity of 225 liters for 2 years.