We passed our 2 friends swimming in the 1.5c water and sidled up to this fellow. The size is incredible.We were only about 500m from the Berg and you can see from our Size how big it was. The height was around 50m high so with a rule of 1 to 7 it is about 350m deep but due to shape and size our experts on board believe it was about 150 -200m under the water. But it would have made a nice harbour. but for the fact they do roll over periodically.