The Steam Packet Company says it can only accept cash payments on vessels today.
It posted to Facebook earlier, saying it was having problems caused by worldwide IT issues.
In its post, it says all sailings on the Manxman and Manannan are affected.
Problems with software from IT giant Crowdstrike have been causing difficulties around the world today.
Fuel spill shuts Mountain Road
A diesel spill on the Mountain Road has shut its entire length.
Peel MHK hopes 92-home plan will be refused
A Peel MHK says she hopes the planning committee will turn down proposals for a new housing estate today.
Mountain Road closure postponed
The Department of Infrastructure says the Mountain Road will remain open today.
UK woman remanded over drugs allegations
A woman from Telford who denies smuggling drugs to the island has been committed to the Court of General Gaol Delivery.
Mountain Road due to shut today
The Mountain road is due to shut later while racing equipment is removed.
New mums' website launches
A website has launched to support the Island's mums.
IT outage didn't affect government-hosted services
A worldwide IT outage only affected government services provided by others, according to the Cabinet Office minister.
Benefit fraudster wrongly claimed almost £4,000
A man who failed to declare a pension has been fined for benefits fraud.
