What's New
2012 California King Tides
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Pacific leatherback sea turtle is the official CA marine reptile
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Japan Tsunami Marine Debris (JTMD) – Updated October 2012
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Central California Marine Life Featured in New iPhone, iPad App
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Overview
SIMoN is an integrated, long-term program that takes an ecosystem approach to identify and understand changes within sanctuaries managed by the Office of National Marine Sanctuaries. [Learn more]
Explore...
![NorCal NMS Map](https://webarchive.library.unt.edu/web/20130219175925im_/http://www.sanctuarysimon.org/regional_images/site_build/index_base_map.jpg)
Monterey Bay
National Marine Sanctuary
National Marine Sanctuary
-Established in 1992
-Covers 6,094 square miles
-276 miles of shoreline
-Deepest point is 10,663 feet
Monterey Bay
National Marine Sanctuary
Davidson Seamount
National Marine Sanctuary
Davidson Seamount
Gulf of the Farallones
National Marine Sanctuary
National Marine Sanctuary
-Established in 1981
-Covers 1,279 square miles
-102 miles of shoreline
-Deepest point is 7,800 feet
Cordell Bank
National Marine Sanctuary
National Marine Sanctuary
-Designated in 1989
-Covers 529 square miles
-Deepest point is 6955 feet
Move your mouse over the Sanctuary name and click to learn about their monitoring of habitats and organisms.