Southhampton Bay
USA /
California /
Port Costa /
World
/ USA
/ California
/ Port Costa
bay, salt marsh

The outline is a rough guess. It's not accessible by boat when the tide is very low, and there can be strong currents around the point at the southwest end of the bay. There is a little shelter from the summer westerlies on the west side of the bay near the hills.
See NOAA chart 18657 at www.charts.noaa.gov/OnLineViewer/18657.shtml.
See NOAA chart 18657 at www.charts.noaa.gov/OnLineViewer/18657.shtml.
Nearby cities:
Coordinates: 38°3'55"N 122°11'11"W
- San Francisco Bay 31 km
- Monterey Bay 121 km
- Gulf of California 1105 km
- Sebastián Vizcaíno Bay 1291 km
- Banderas Bay 2494 km
- Matagorda Bay 2592 km
- Galveston Bay 2665 km
- West Bay/Western Galveston Bay 2669 km
- Gulf of Mexico 3252 km
- Golfo de Tehuantepec 3577 km
- Carquinez Strait 2.2 km
- Glen Cove 2.3 km
- Crockett, California 3.7 km
- John A De Martini Ranch 4.2 km
- Crockett Hills Regional Park 4.6 km
- John A De Martini Ranch 5.5 km
- ConocoPhillips Oil Refinery 6 km
- Conoco Phillips Properties 6.4 km
- Carquinez Strait Regional Shoreline (East) 6.5 km
- Rodeo, California 7.7 km