San Diego Bay |Location||San Diego County, California| |River
sources||Otay and Sweetwater Rivers; Paradise Creek| |Max.
length||12 miles (19 km)| |Max. width||3 miles (5 km)| |Surface
area||19 square miles (49 km2); |Average depth||21.33 feet (6.50
m)| |Max. depth||60 feet (18 m) (dredged)| |Settlements||San
Diego, Coronado, Chula Vista, Imperial Beach, National City San
Diego Bay is a natural harbor and deepwater port located in San
Diego County, California near the US-Mexico border. The bay,
which is 12 miles (19 km) long and 1 to 3 miles (1.6 to 4.8 km)
wide, is the third largest of the three large, protected natural
bays on California's entire 840 miles (1,350 km) long coastline
after San Francisco Bay and Humboldt Bay. The highly urbanized
land adjacent to the bay includes the city of San Diego (eighth
largest city in the United States) and four other cities,
including National City, Chula Vista, Imperial Beach and
Coronado. Considered to be one of the best natural harbors on
the west coast of North Ame