The Secret of Lonesome Cove — Samuel Hopkins Adams

A body is found on the beach not far from a New England town one morning. Curiously, nobody recognizes the dead woman, and nobody in or near the town seems to be a suspect in a possible murder, therefore most of them assume that she simply washed ashore from a passing vessel. Only problem is vessels didn't pass that stretch of the coast because of it's peculiar tides and eddies; hence its name, Lonesome Cove.