WAkugyoWAspidocheloneWBishop-fishWCetoWCetus (mythology)WChessie (sea monster)WDevil WhaleWGlashtynWGloucester sea serpentWIkuchiWIsonadeWKrakenWLyngbakrWScyllaWSea BeastWSea monsterWSea serpentWSea-lionWSisiutlWStoor wormWTannin (monster)WTlaltecuhtliWWatcher in the Water