South O is an eclectic community located along the coast in southern Oceanside. There are many beautifully vacation rentals along the beach in this peaceful neighborhood. The historic coast Highway 101 runs through it, offering a scenic drive complete with popular restaurants and unique retail. Visitors enjoy everything from the historic 101 café to the popular beach hang out, the Beach Break Café. Retail includes antique shopping, surf shops, Adventure 16 and more.