The operators of the Yarmouth to Maine Ferry says advanced bookings are up five times compared to last season. Bay Ferries Ltd tells the CBC the pre booked crossing are on par with what they were in 2007-2008 – when Bay Ferries previously ran the ferry service between Yarmouth and Portland, Maine. The season starts on May 31st with five crossings a week – that will be increased to seven days a week during the peak summer season.