Seize the Storm — Michael Cadnum

Sailing from California to Hawaii, Susannah, her family, and a crewman are driven by a vicious storm into the path of a drifting powerboat. The ghostly boat carries the bodies of two drug runners and a huge stash of money. For the sailors, stealing the sordid treasure changes everything, causing dissent and division, compromising each of them, and putting their futures at risk. Because now they are being pursued by the worst enemies imaginable, including a drug lord's son eager to prove himself and a cold-blooded teenage hit man with murder on his mind.