Explore the Oceanside Visitor Guide to discover all there is to see and do during your next vacation to Oceanside, CA. Located along the beautiful Southern California coastline, Oceanside is considered the gateway city between metropolitan San Diego and Los Angeles. The city boasts a number of important historical and cultural attractions such as Mission San Luis Rey, California's longest wooden pier, California Surf Museum, and the Oceanside Museum of Art. With 3.5 miles of sandy beach, a quaint Cape Cod-style harbor, and stellar year-round climate, Oceanside is a highly sought after destination for enjoying active pursuits including surfing, stand up paddling, kayaking, boating, fishing, bike-riding, skydiving, and more. Learn more at www.VisitOceanside.org