Erik Hazen is an enigma. Born and raised on the not-so-chic side of the Hamptons on Long Island, he belongs to a family of traditional fisherman known locally as Bonackers. For eight generations, his relatives made their living from the sea: haul seining, trap netting, clamming, and scalloping. But by the 1980's, with that way of life dying out, Hazen breaks away to attend Annapolis, serve as a Navy SEAL, and finally take over a small boat-building business, which he grows into a sought-after brand. But Erik has an obsession. The sunken liner Andrea Doria, which lies in deep water off Montauk...