El Islote is a compact rocky islet and pinnacle in Cabo Pulmo where dives wrap around a coral-covered wall and boulder-strewn base instead of following a long reef. Purple gorgonians, sea fans, and hard coral growth make the structure visually dense, with schools of fish stacking around the rock while seabirds rest on the exposed top. Marine life is the main draw here: snapper, grouper, pompano, turtles, lobsters, and morays are commonly reported, and seasonal sardine schools can turn the site into a fast-moving baitball scene. Bull sharks are also associated with the sandy bottom in cooler water, so operators typically choose and brief the site based on the day’s conditions and park access rotation.