Learn About the Marianas Trench MNM

Journey to to Depths

Okeanos Mariana Trench 150x133

Follow Okeanos Explorer as they fullfill their mission to explore and document the Mariana Trench

Okeanos Explorer Live Feed

Voyage to the Marianas Trench Marine National Monument

APASEEM (www.apaseem.org) produced this video through a Department of the Interior Technical Assistance grant. This video covers the scope and beauty of the Marianas Trench Marine National Monument as well as the unique scientific discoveries in the area.

First Voyage to the Mariana Trench MNM

Mariana Trench Marine National Monument

In January 2009, the Marianas Trench Marine National Monument was established by Presidential Proclamation. Located in the Mariana Archipelago east of the Philippines, the Marianas Trench Marine National Monument protects approximately 95,216 square miles of submerged lands and waters.

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Special Use Permits

Special Use Permits enable the public to engage in wildlife-related activities on a National Wildlife Refuge which would otherwise be prohibited.

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About the Complex

Pacific Reefs

Mariana Trench National Wildlife Refuge is managed as part of the Pacific Reefs.

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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.

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