Park West Gallery is a commercial art gallery based in Southfield, Michigan, United States. Park West Gallery claims to be the largest private art gallery in the world, and that it has sold 10 million works of art for billions of dollars. It exhibits work from historic artists such as Renoir, Picasso, Rembrandt, and Durer as well as contemporary artists such as Peter Max, and Mark Kostabi. The gallery derives the majority of its revenue from auctions that take place abord cruise ships. The company's sales tactics have led to several lawsuits and media investigations.