When looking for a good fright, watching a horror flick is an easy way to get some sufficient scares, but walking off of a sandy beach and wading into the salty waters of the sea can just as easily be its own chilling experience. Oceans make up 71 percent of the Earth's surface, and with over 4/5ths of those waters still uncharted, the unknowns that may lurk in those vast waters may be just as frightening as the fictional films inspired by them.
Source：https://www.cbr.com/must-watch-horror-movies-set-at-sea/
