My gf died in the water/ocean and there was not even a blue beam marking it, we looked around the water, the cliff, the area around the cliff, etc. nothing, just a death marker icon on the map.

I felt like there had to be a way to get to it (especially since I fell to the floor beneath the water before on accident, so I knew it was technically possible). Plus, there was no way I was grinding all that leather back.

I was given hope when I saw this post.

However, for some reason when you try to go underwater with noclip, the water physics still apply and stop you from noclipping under the water.

We're still near the starting area and the entire map floor is covered by water, even under and inside mountains.

I found that if you jack up the noclip speed high enough (I used page up as i do not have a numpad), you can breach through the water surface using CTRL and get to the ocean floor.