Brittany Ferries has kept its Guernsey timings into late next year broadly similar to 2026, because of passenger feedback.
Brittany Ferries' Guernsey sailings are now bookable until early November 2027.
The Poole and St Malo departures stick to familiar times, which the company says is a result of passenger satisfaction.
It is offering a weekly short day trip to Jersey (on Wednesdays), as contracted with the States of Guernsey.
Paul Acheson, the sales and marketing director, says they have been working with the organisers of Channel Island events to see how these could fit into the schedule.
He says they are also attracting visitors, notably from France, to stay longer in Guernsey:
"The company has been working with Visit Guernsey to encourage day visitors to return for overnight stays.
"We are seeing longer booking lead times and an increase in the average length of stay."
At the start of summer the ferry operator revealed a major restructuring plan to save money, including selling two of its ships and closing two routes between the UK and France.
As a result, the freight and traditional ferry service will reconfigure to incorporate Cherbourg in a triangular route between Guernsey and Portsmouth.
The details of this are yet to be published.

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