Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.334.1100 San Pablo Bay, Carquinez Strait, and Mare Island Strait in vicinity of U.S. Naval Shipyard, Mare Island;  restricted area

(a) The area. The waters of San Pablo Bay, Carquinez Strait, and Mare Island Strait, within 100 yards of the shore of that part of the Navy Yard, Mare Island, south of the causeway between the City of Vallejo and Mare Island and extending continuously therefrom southeasterly, southwesterly, and northwesterly around the Navy Yard to its northwesterly limit on the waters of San Pablo Bay, and the waters within 50 yards of any part of the berthing piers at the Navy Yard.

(b) The regulations. No persons shall enter this area and no vessels or other craft, except vessels of the U.S. Government or vessels duly authorized by the Commander, Mare Island Naval Shipyard, Vallejo, California, shall navigate, anchor or moor in this area.