Climb to the summit of Bartolome Island and be rewarded with a panoramic view over Pinnacle Rock, the volcanic cones, and Sullivan Bay’s shining waters. The rugged terrain contrasts with the colorful underwater world where penguins, reef sharks, and turtles swim. Afterward, set foot on Sullivan Bay’s mesmerizing lava fields. Here, smooth ropes of black rock tell the story of volcanic eruptions from centuries past. Later, dive into the surrounding waters for snorkeling among vibrant fish, rays, and curious penguins darting past the reefs.