"Luxury" villas in that area are going to start at several times that price. Here are some examples.
Luxury property for sale in Mougins > French Riviera | Unique Living
Most of these are ghastly, but it gives you some idea of what you're looking at for a "luxury villa".
Luxury property for sale in Mougins > French Riviera | Unique Living
Most of these are ghastly, but it gives you some idea of what you're looking at for a "luxury villa".