Malibou Lake is a small and historic lake and community in the Santa Monica Mountains near Agoura Hills, California, USA. Located within Malibu Creek State Park, and almost completely surrounded by the Santa Monica Mountains National Recreation Area, it is situated between Malibu Beach and the Conejo Valley. It was created in 1922 after a dam was built at the confluence of two creeks, the lake, and community of 250 residents are private.