Vallejo, California is land-locked.
Vallejo sits on the northeastern shore of San Pablo Bay , 30 miles north of San Francisco .	San Pablo Bay	San Pablo Bay	San Francisco	San Francisco, California
San Pablo Bay is a tidal estuary that forms the northern extension of San Francisco Bay in the East Bay and North Bay regions of the San Francisco Bay Area in northern California .	estuary	estuary	San Francisco Bay	San Francisco Bay	East Bay	East Bay (San Francisco Bay Area)	North Bay	North Bay (San Francisco Bay Area)	San Francisco Bay Area	San Francisco Bay Area	California	California
