The Ocean

  • Picture of an erupting crater in Hawaii

    Announcing BioBlitz 2015

    Heating Things Up at Hawaii Volcanoes National Park

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Break out your fins: The National Geographic-National Park Service BioBlitz is coming to Florida's Biscayne National Park April 30 and May 1, 2010. Follow all of the action on our Twitter feed and blogs!

NatGeo BioBlitz Twitter Feed

BioBlitz Blogs

  • Golden Gate Bridge, San Francisco, and bay seen from Marin County.

    Latest Updates

    Get the stories and photos that continue to come out after the 24-hour event in San Francisco.

National Geographic Magazine

  • Photo: Waves crashing over rocks covered with sea grass and kelp

    Tide Pools Pictures

    A cast of thousands clings to rocky real estate in a narrow strip of shore called the intertidal zone.

  • Photo: Parrotfish smile, Heron Island Great barrier Reef, Australia

    Great Barrier Reef Photo Gallery

    From tiny coral polyps grew a marvel: Australia’s Great Barrier Reef. Could it all come crumbling down?

  • Photo: Seafloor bubbling due to the higher levels of CO2

    The Acid Sea

    Carbon dioxide we pump into the air is seeping into the ocean and slowly acidifying it.

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Your Ocean

  • Photo: Clown anemonefish

    For Kids

    Learn about the ocean with activities, photos, and games.

  • Photo: A school of fish and a shark swim in a coral reef.

    Ocean Education

    Bring engaging and important ocean learning to your classroom.

Support the Ocean

Explore the Ocean

  • shark-eden-ocena-store-promo.jpg

    Ocean Life

    Order ocean books, DVDs, maps, and more from the National Geographic online store.

  • Photo: Leopard seals on a glacier

    Ocean Special Issue

    Explore the world's oceans, from their prehistoric beginnings to modern-day efforts to preserve their natural wonder.

  • Photo: Ocean Atlas from National Geographic

    Ocean: An Illustrated Atlas

    Immerse yourself in the wonders of the deep through colorful maps, photos, and satellite images.

Engage, Conserve, Restore

  • Photo: Sunset at waterfalls

    Freshwater Initiative

    The National Geographic Society’s freshwater initiative is a multi-year global effort to inspire and empower individuals and communities to conserve freshwater and preserve the extraordinary diversity of life that rivers, lakes, and wetlands sustain.