Amazing Silver Tip Shark at the Canyon dive site off San Bendicto Island. Silvertip sharks can be found in the Revillagigedo Islands, a remote archipelago in the Pacific Ocean off the coast of Mexico.  The Revillagigedo Islands are part of the Revillagigedo Archipelago Biosphere Reserve, which is about 250 nautical miles south of Cabo San Lucas. are are off the western coast of Mexico.