Palm Beach's LagoonKeepers.org have stumbled onto quite the mystery. While searching for debris, they found a creature that wouldn't surface and everytime they got close to it, it would just disappear. This creature, dubbed the elusive muck monster has baffled many marine biologists as well as Palm Beach regulars. Some claim it's sewage, some say it's a large sting ray, others think it's just a load of fecal matter. Check out this video to discern for yourselves:


