BETHEL ISLAND -- Sheriff's officials are telling boat owners to be on the lookout, as a recent spike in thefts saw at least six boats taken in October.
Thefts were reported on Dutch Slough Road, Sandmound Boulevard and Sandmound Slough, according to the Contra Costa County Sheriff's Office. Two of the boats have been recovered without their engines; the other four have not been found.
Sheriff David Livingston said that the Marine Services Unit had increased patrols in the area, but called on boaters and residents to be vigilant and report any suspicious activity they see.
The Marine Services Unit offered tips to help safeguard boats and valuables: