NAICS Code 48311 Deep Sea, Coastal, and Great Lakes Water Transportation


Transportation and Warehousing


This industry comprises establishments primarily engaged in providing deep sea, coastal, Great Lakes, and St. Lawrence Seaway water transportation. Marine transportation establishments using the facilities of the St. Lawrence Seaway Authority Commission are considered to be using the Great Lakes Water Transportation System.

Cross References

Establishments primarily engaged in
  • Providing inland water transportation on lakes, rivers, or intracoastal waterways (except on the Great Lakes System): classified in Industry 48321, Inland Water Transportation
  • Providing scenic and sightseeing water transportation, such as harbor cruises: classified in Industry 48721, Scenic and Sightseeing Transportation, Water
  • Operating floating casinos (i.e., gambling cruises, river boat gambling casinos): classified in Industry 71321, Casinos (except Casino Hotels).

Industry Leaders