A 64-year-old Michigan man died Monday morning following a diving incident in the waters off Marathon, Florida. Stephen Matheny, a resident of West Bloomfield Township, was found unresponsive in the water at approximately 11:20 a.m. First responders and bystanders pulled Matheny from the water and i mmediately began CPR. The U.S. Coast Guard responded to the […] Michigan Diver Dies After Unresponsive Emergency Off Florida Coast ...read more read less