A queueing system is currently operating on the Steam Packet's website, after bookings for TT 2026 opened earlier.
Last week, the company announced it would be taking deposits for next year's festival from this morning.
The Steam Packet says it has extra staff on hand to help cope with one of its busiest days of the year, and asked people to be patient.
This morning, would-be passengers are being placed in a queueing system on the website.
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