I Snorkeled Over a 663-foot-deep Blue Hole in the Bahamas—and Nothing Prepared Me for What I Saw Beneath the Surface

I Snorkeled Over a 663-foot-deep Blue Hole in the Bahamas—and Nothing Prepared Me for What I Saw Beneath the Surface

Dean’s Blue Hole on Long Island offers an unforgettable underwater adventure, with crystal-clear water, cascading sand, colorful marine life, and a seemingly bottomless abyss.Aerial view of the famous Dean’s Blue Hole in Long Island, Bahamas.Credit: SHansche/Getty ImagesI’ve experienced plenty of thrills that made my body brace for danger, but few have been as beautiful as drifting over the abyss of Dean’s Blue Hole. Located on Long Island in th…