Authorities said Sunday a person is missing after a reported shark attack off the Marin County coast.

Possible shark attack reported off coast of Northern California The Coast Guard received a report Sunday morning of a man who went missing at Wildcat Beach in Marin County.

Authorities in Marin County on Monday resumed their search for a swimmer who went missing after a reported shark attack off the southern end of Point Reyes Sunday morning.

The efforts to locate a missing swimmer who may have been attacked by a shark off the Marin County coast has now shifted into a recovery effort, authorities said on Tuesday.

A swimmer who remains missing after an apparent shark attack on the Marin County coast over the weekend was identified by friends.

A 40-year-old surfer in Volusia County recently survived a shark attack, leaving him with unexpected scars. Matthew Bender ...

In Marin, there were 15 shark attacks between 1950 and 2013, according to a Stanford study released in 2015 based on data from the Global Shark Attack File. None was fatal.

Swimming is generally discouraged in the rough waters off the coast of Marin County, and shark attacks are rare, authorities said.

Marin County firefighters determined that three men went for a swim when one of them was attacked by a shark, according to CBS San Francisco.

The search for a 52-year-old man who vanished Sunday following a reported shark attack near San Francisco is ongoing, the National Park Service says.