One of the most comprehensive surveys to date of shark and other large predator fish in the Eastern Tropical Pacific (ETP) ocean finds that remote marine protected areas (MPAs)—including the Galapagos, Malpelo, Clipperton, and Revillagigedo islands—support some of the largest numbers of sharks reported globally, including the critically endangered scalloped hammerhead, while coastal MPAs are showing signs of severe depletion.