Manhattan Beach is one of the three Beach Cities, along with Hermosa Beach and Redondo Beach, that make up the South Bay region of Los Angeles County. The community is known for a long beach stretching approximately 2.1 miles (3.4 km) and roughly 450 feet (140 m) wide. The climate is unusually moderate because of Manhattan Beach's proximity to the Pacific Ocean, with an average year-round high temperature of 69.1 °F (20.6 °C) and an average year-round low of 56.4 °F (13.6 °C).
Its schools are run independently of Los Angeles Unified School District with a separate school board based in Manhattan Beach. Mira Costa High School in Manhattan Beach is ranked in the top 1% of high schools nationally and has students from both Manhattan Beach and Hermosa Beach.