Cal. Penal Code - PEN § 558. Section 558.
Every person other than an officer, employee or student of the University of California, or licensee of the Regents of the University of California, is forbidden to enter upon those lands bordering on the Pacific Ocean in San Diego County, which were granted by Section 1 of Chapter 514 of the Statutes of 1929 to the Regents of the University of California for the uses and purposes of the University of California in connection with scientific research and investigation at the Scripps Institution of Oceanography, or upon state waters adjacent thereto, or to trespass upon the same, or to interfere with the exclusive possession, occupation, and use thereof by the Regents of the University of California.
Nothing herein contained shall be deemed or construed to affect in any manner the rights of navigation and fishery reserved to the people by the Constitution.