Heavy lift ship, is a type of vessel used to lift extremly heavy items in the marine industry. The majority of heavy lift ships are owned by the Dockwise company, however there are a few small companys scattered around the world.
Consist of a submersible hull with limited freeboard amidships, and elevated superstructures both fore and aft. The hull is strengthened for direct lifting. These ships have a large ballast capacity and some capacity for divers to place blocks. They are able to carry multiple smaller vessels or large combined loads.