City of Santa Monica, CA (pop. 91,000) Santa Monica is a coastal city in western Los Angeles County, California. Situated on Santa Monica Bay of the Pacific Ocean, it has a storied past as a recreation center for Hollywood celebrities. The City boasts a large and diverse creative community, the famous Santa Monica Pier amusement park, and the original Muscle Beach, so-named for the muscular gymnasts that would perform feats of strength in public to entertain visitors. The City has made a considerable commitment to sustainable practices in pursuit of the highest possible quality of life for its citizens.