Hanauma Bay, a gorgeous volcanic amphitheater on the shores beyond Diamond Head, draws thousands of snorkelers to its gentle reefs .
A few snorkelers have drowned over the years at Hanauma Bay.
mnli hypothesis: A few snorkelers have drowned over the years at Hanauma Bay. premise: Hanauma Bay, a gorgeous volcanic amphitheater on the shores beyond Diamond Head, draws thousands of snorkelers to its gentle reefs .