Black Mysteries Ocean

This ocean is the strangest from any around the world. Strange occurances happen daily. Ships vanish without a trace, people claim seeing other realms of life, not of this plane of existance. There is a tale speaking of a very narrow stretch of land, a peninsula, which takes them to another realm of existance. And most who travel within it's waters are never seen again. The sky above the waters is said to flash blood red and creatures of myth appear to claim lives