Modular ship cabins with improved interior configurations

A modular crew cabin system comprising:

• a first space within a deck of a ship defined by a first length, a first width, and a first height;
• a second space within the deck defined by the first length, the first width, and the first height;
• and
• a plurality of modular crew cabins interchangeably installable in either the first space or the second space, each modular crew cabin comprising:
• four walls forming sides of the modular crew cabin;
• a floor coupled to a portion of at least one of the four walls to form a bottom of the modular crew cabin;
• a lower bunk adjacent to a first wall of the four walls, the lower bunk having a major axis parallel to the first wall;
• an upper bunk adjacent to a second wall of the four walls, the upper bunk being partially disposed above the lower bunk and having a major axis perpendicular to the major axis of the lower bunk such that the lower bunk and the upper bunk are in an L-shaped configuration;
• and
• a ceiling coupled to a portion of at least one of the four walls to form a top of the modular crew cabin, the ceiling comprising:
• a pop-up portion disposed above at least a portion of the upper bunk at a first ceiling height relative to the floor;
• and
• a lower portion adjacent to the pop-up portion and covering a remainder of the crew cabin at a second ceiling height less than the first ceiling height relative to the floor.