Discover the most dangerous U.S. beaches for shark attacks, including hotspots in Florida, Hawaii, and California, with safety tips to reduce risks.

Florida has the most unprovoked shark bites since 1837 as experts note changing shark behavior from coast to coast, coinciding with the 50th anniversary of "Jaws." Here are tips to know.

The Brief At least 1,660 "unprovoked" shark attacks have been reported in the U.S. since the 1800s. Florida leads the nation in the number of attacks, with far more than any other state.