Oceanside, California, is the northern most city in San Diego County, centrally located between Los Angeles and San Diego.  With 3.5 miles of beach, a 1,000 boat slip harbor, the largest of the California missions and several regional museums, Oceanside offers year-round perfect weather and easy access to all of Southern California attractions. The City's greatest pride is beautiful beaches, beautiful surf and the best vacation weather anywhere in the world. Those who visit here always come back.