went missing, with family and friends holding out hope as rescuers searched a 6,000 square-mile area over three days.

A massive manhunt ensued after Stewart went missing, with family and friends holding out hope as rescuers searched a 6,000 square-mile area over three days

After searching an area the size of Connecticut, rescuers found Stewart's body 300 feet from where he disappeared

'If anybody can survive in the water, it is him,' Brian Stewart, his father (left) had said in a telephone interview at the time. Mother Sandy Stewart is shown right

'If anybody can survive in the water, it is him,' Brian Stewart, his father had said in a telephone interview at the time, adding his son was 'super fit' and a highly skilled scuba diver.

'A bunch of the people inthe boat gave their attention to a guy who collapsed and a minute later they turned, and Rob was gone,' he said.

About an hour after the Coast Guard suspended the search, Stewart's body was found just 300 feet away from where he'd disappeared, 220 feet underwater.

The U.S. Navy, Customs and Border Protection, Florida wildlife officials, a county sheriff's office and civilian volunteers had joined the Coast Guard in the search, which covered an area about the size of Connecticut.

Ships, helicopters, airplanes, dive teams and sonar equipment were deployed in the effort, the Coast Guard said.

Rob Stewart's 2006 documentary Sharkwater was aimed at exposing the shark hunting industry that was feeding demand for fins, a delicacy in Chinese cuisine

Stewart said his new film was looking at other ways that