With the cheap strong neodymium magnets, this activity is becoming popular and also useful in recent years.[1] The hope is that something valuable will surface, but often miscellaneous items like bottle caps and keys are found as well. In fact, strong lifting magnets called magnet retrieval tools are specially designed to retrieve items that are lost at the bottom of bodies of water. [2] Different types of magnets that are popular are mounting magnets and MMS-G magnets when going magnet fishing.[3]