95% of the ocean remains unseen 95 percent of the ocean is still unexplored by humans. http://oceanservice.noaa.gov/facts/exploration.html National Oceanic and Atmospheric Administration la National Oceanic and Atmospheric Administration explored 5% of the oceans 95 percent of the ocean floor is unexplored remains unexplored. about 5% of it to date five percent explored less than 5 percent study National Oceanic and Atmospheric Administration http://oceanservice.noaa.gov/facts/exploration.html five percent of the world's oceans National Oceanic and Atmospheric Administration less than NOAA source la National Oceanic and Atmospheric Administration 95% of the ocean remains unseen explored less than 5 percent five to seven percent 5% explored. remains less than five percent explored less than 5 percent explored less than 5 percent 95% of Earth's oceans http://oceanservice.noaa.gov/facts/exploration.html NOAA National Oceanic and Atmospheric Administration five percent of the world's oceans vast unexplored regions below the sea-line vast unexplored regions below the sea-line less than five percent less than National Oceanic and Atmospheric Administration source less than five percent National Oceanic and Atmospheric Administration National Oceanic and Atmospheric Administration less than five percent source explored less than 5 percent remain explored less than 5 percent explored less than 5 percent National Oceanic and Atmospheric Administration less than five percent and currently is 5% explored. The ocean is the lifeblood of Earth we know so little