High Quality Content by WIKIPEDIA articles! USS San Pablo (AVP-30) was a United States Navy Barnegat-class seaplane tender which was in commission as such from 1943 to 1947 and then served as a commissioned hydrographic survey ship, redesignated AGS-30, from 1948 to 1969. Thus far, she has been the only ship of the United States Navy to be named for San Pablo Bay, a shallow northern extension of San Francisco Bay in California.