Coronavirus (COVID-19) Notice
Although most refuge lands and outdoor spaces have remained open for the public to enjoy, we ask that you do the following:

  • Check local conditions on this website and call ahead for current information. Operations vary based on local public health conditions.
  • Face masks are required in all federal buildings and on all federal lands.
  • Maintain a safe distance between yourself and other groups.
  • Wash your hands often with soap and water for at least 20 seconds
  • Avoid touching your eyes, nose and mouth
  • Cover your mouth and nose when you cough or sneeze
  • Most importantly, stay home if you feel sick


  • No Access at Sweetwater Marsh

    We recommend taking a walk on the north end of 13th or 10th streets in Imperial Beach or at Tijuana Estuary.

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    Discover Nature App

    We have a free GPS-based nature gaming app in both English and Spanish! Download it on iTunes/Google Play.

    How to download and play


Proposed Rule and Draft Fishing Plan Available for Public Review and Comment

The U.S. Fish and Wildlife Service is proposing to open to sport fishing approximately 875 acres of open bay waters within the South San Diego Bay Unit of the San Diego Bay NWR. Fishing would be permitted by boat or an appropriate floating device. A proposed rule has been issued and a draft Fishing Plan, Environmental Assessment, and Compatibility Determination have been prepared to address this use and are provided here for review.

Draft Fishing Plan and Proposed Rule Available for Review

Seeking Alien Life, Starting at Home

November 12, 2019 Seeking alien life, starting at home_150pix

Recent article in the San Diego Union Tribune by Deborah Sullivan Brennan: Researchers study organisms in harsh ocean elements on the South Bay Salt Works within San Diego Bay National Wildlife Refuge as model for possibilities in outer space. Read here!

SDUT Article Link: Seeking Life in the Solar System

Contaminant Cleanup Project Planned

F and G street marsh thumb

The Service announces the availability of engineering evaluation and cost analysis (EE/CA) reports and Administrative Records for Paradise Marsh (Operable Unit 1), Gunpowder Point (Operable Unit 2), and the F&G Street Marsh (Operable Unit 3) on Sweetwater Marsh. The public comment period ended on January 31, 2018. There is no estimated start date yet for the project construction, and a potentially responsible party has not yet been identified. All the appropriate documents for the project are here on our website, and can also be viewed in person at the Refuge Complex headquarters.

Sweetwater Marsh Restoration
On the Sweetwater Marsh Unit

Visit the Living Coast Discovery Center

Bat ray exhibit at the Chula Vista Nature Center

The Living Coast Discovery Center is a 501(c)3 Non-Profit organization, and runs in partnership with the San Diego National Wildlife Refuge Complex. Visitors can enjoy environmental education programs and view live animals.

Learn more about the Nature Center

About the Complex

San Diego National Wildlife Refuge Complex

San Diego Bay National Wildlife Refuge is managed as part of the San Diego National Wildlife Refuge Complex.

Read more about the complex
About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America's fish, wildlife, and plants.

Learn more about the NWRS