Just off the coast of Maui are the remains of an ancient volcano submerged in the ocean , Molokini. Its crystal-clear waters and thriving marine life make it one of the world’s most iconic snorkeling and dive sites. As a protected Marine Life Conservation District, Molokini shelters vibrant coral and countless fish species—though its past bears scars from Navy ordnance testing and black coral harvesting. Accessible only by boat, the experience ranges from the calm inner cove to the dramatic dept