Mas Saint Louis owns 30 hectares of vines planted in Chateauneuf du Pape. Most of their Southern Rhone terroir is made up of sand and rock strewn soils. The vineyard is planted to 80% old vine with varying amounts of Syrah, Mourvedre, Cinsault, Counaoise, Picpoul, Bourboulenc, and other assorted field blends planted in the vineyards.
Mas Saint Louis is one of the few Chateauneuf du Pape vineyards planted in a single block of vines. This is almost unique as most vineyards in the appellation are spread out in different lieux-dits all over the region.
Mas Saint Louis produces 3 red wines and 1 white Chateauneuf du Pape wine.