The Night Boat is a 1980 novel by Robert McCammon.

It is about a marine salvage diver, David Moore, who uncovers a sunken U-boat underneath a Caribbean lagoon.

The boat mysteriously rises to the surface, and the crew are revealed to be still alive.

[1] Publishers Weekly, reviewing the 2013 reprint, praised its "vividly visceral scenes", but faulted it for "obvious twists", and plotlines that "fizzle" in a "rushed, anticlimactic ending".

[2] Don D'Ammassa considered it to be "the most gripping of McCammon's early novels";[3] however, literary scholar Neil McRobert found it to be "unrepresentative of McCammon's oeuvre" and "derivative of more successful fiction by (a) more established author().