One person died Monday afternoon in a boating accident on Tomales Bay, a U.S. Coast Guard spokesman said.
The incident involved a 13-foot Boston Whaler pleasure craft with two people and two dogs on board. It was reported at 12:08 p.m.
A Coast Guard boat and the Sonoma County sheriff's helicopter Henry-1 responded to the incident, according to the Coast Guard.
No other information was immediately available.