It depends on the ferry operator. Unfortunately we can't give a direct answer. We would suggest you contact the ferry operator directly. Here are a few links to ferry operator pet information pages
P&O Ferries will only accept pet shipments on the following grounds:
Please find below some clarification on the carriage of dogs/cats on our French route.
Individual kennels: Kennels have to be booked in advance and there is a charge per kennel (please see pricing below).
Vehicle adapted for the carriage of animals: Advance notification so the booking can be correctly updated but no charge for kennels.
Individual kennels: Kennels have to be booked in advance and there is a charge per kennel (see pricing below).
Vehicle adapted for the carriage of animals: Due to additional paperwork requirements for the import of dogs/cats into Ireland, kennels must be allocated per animal and charged according (please see pricing below).