Oceanside is a coastal city located in Southern California, United States. It is situated in San Diego County, approximately 38 miles north of downtown San Diego and 83 miles south of Los Angeles. Oceanside is known for its beautiful beaches, vibrant waterfront area, and a wide range of outdoor recreational opportunities. It is also home to attractions such as the Oceanside Pier, Mission San Luis Rey, and the California Surf Museum. The city has a diverse population and offers a mix of residential, commercial, and industrial areas. Oceanside is well-connected with major freeways and has a transit system that includes bus services and a train station served by the Coaster and Amtrak.