KEY WEST, Fla. -

The U.S. Coast Guard is searching for a Key West man whose boat was found abandoned off Duck Key on Saturday.

Barond Van Der Hoven, 50, left Blackfin Marina about 8 a.m. Saturday, but he did not return at 2 p.m., as expected.

Marina employees notified the Coast Guard, which launched a search by air and sea.

Crews found Van Der Hoven's boat stranded about one mile south of Duck Key, without Van Der Hoven onboard.

The Coast Guard is still looking for Van Der Hoven by air.

Anyone with information is asked to call the Coast Guard at 305-415-6800.