![Shark swims next to a large structure covered with growth](https://cdn.coastalscience.noaa.gov/csmedia/2024/01/Hardbottom-72_J-McCord-CSI-scaled.jpg)
New study | U.S. artificial reef coverage of the ocean floor is equivalent to 3,600 American football fields! Our scientists and partners compiled the best available data for each state to calculate the first-of-its-kind spatial footprint of artificial reefs in the U.S. ocean.