Malibu ( MAL-ih-boo) is a beach city in the Santa Monica Mountains region of Los Angeles County, California, about 30 miles (48 km) west of Downtown Los Angeles. It is known for its Mediterranean climate, its strip of beaches stretching 21 miles (34 km) along the Pacific Ocean coast, and for its longtime status as the home of numerous affluent Hollywood celebrities and executives. Although a high proportion of its residents are entertainment industry figures with million-dollar mansions, Malibu also features several middle- and upper-middle-class neighborhoods. The Pacific Coast Highway (State Route 1) traverses the city and has led most residents to settle anywhere from half a mile (0.8 km) to within a few hundred yards of it, with some residents living up to one mile (1.6 km) away from the beach in areas featuring narrow canyons. As of the 2020 census, the city's population was 10,654.
Nicknamed "The 'Bu" by surfers and locals, Malibu is noted for its beaches. The many parks within the Santa Monica Mountains National Recreation Area lie along the ridges above the city.
The city is bounded by the Santa Monica Mountains to the north, Topanga to the east, Solromar to the west, and the ocean to the south. Signs around the city boast of its "21 miles of scenic beauty" in reference to the incorporated city limits. In 2017, the signs were updated from the historical 27-mile (43 km) length of the Malibu coast spanning from Tuna Canyon on the southeast to Point Mugu in Ventura County on the northwest. The Malibu ZIP code includes residents of the unincorporated canyon areas as it was assigned before the city incorporated. The city also has the closest commercial centers.