But his Rib was spotted by law enforcement officers, who were waiting for him at St Sampson’s Harbour.
The 34-year-old, who appeared from custody, was sentenced to seven years in prison when he appeared in the Royal Court.
He had pleaded guilty to attempting to import the class B drug.
Defence advocate David Thompson said his client had worked as a fisherman since leaving school at 15, but lost his boat and fishing licence in 2015 after committing money laundering offences.
He went on to become a fishmonger, but a shoulder injury resulted in him losing his job.
Martel had decided to commit the crime to help with money trouble and had used his marine skills to traverse the challenging stretch of water between France and Guernsey, via the Percee Passage between Herm and Jethou.
Full story in today's Guernsey Press
