The depth of the ship is considerable in addition to it being in fatigue waters, and some form of swim speed boost will be needed. Alternatively, a can be used. Consider taking off all equipment that takes durability damage (and put it in the bank!) to save the inevitable death and resurrection sickness penalty. It is not possible to reach the location of the wreck as a ghost, resurrect, and hearth/teleport out before dying again due to fatigue.
- Patch 8.0.1 (2018-07-17): Added.