Your life preserver can’t save you now.
Sure, summer is a great time to visit the beach, build sandcastles and splash in the water, but it can also can be a time of grave danger. The ocean is dark, and deep, and loaded with mysterious creatures and tales of woe. If you don’t stay alert, you can lose a heck of a lot more than your sunglasses! JAWS might be scary, but sharks can’t hold a barnacle to some of the deadly killers in this list.