Low-profile cargo vessels providing transport of shipping containers

A low-profile cargo vessel comprising:

• first and second longitudinal beams arranged in parallel;
• a plurality of floor beams extending between the first and second longitudinal beams;
• floor panels above and below the floor beams to define a cargo bed floor having an interior floor volume;
• a first plurality of frames extending from the first longitudinal beam to support the first cargo bed wall;
• first inside and outside wall panels on the first plurality of frames to define a first cargo bed wall having a first interior wall volume;
• a second plurality of frames extending from the second longitudinal beam to support the second cargo bed wall;
• second inside and outside wall panels on the second plurality of frames to define a second cargo bed wall having a second interior wall volume;
• a bulkhead extending between one of the first frames and one of the second frames, wherein a cargo bed is defined as a space aft of the bulkhead between the first and second cargo bed walls;
• an engine compartment coupled to the first and second longitudinal beams with the bulkhead between the engine compartment and the cargo bed;
• and
• a fairing configured to provide a hydrodynamic bow structure ahead of the engine compartment.