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.
Driver cut from car after Mountain Road crash
Fire crews spent just over half an hour freeing a driver from their car this morning.
Bus services could be cancelled later
Bus Vannin says some passengers may be facing disruption tonight.
Mountain Road shut after crash, say police
Police say the Mountain Road has closed after a crash.
Watch out for horse riders today!
Police are warning motorists in the south to be careful this morning, as an annual horse ride takes place.
Airport stats show huge rise in cargo
Ronaldsway Airport says it's seen a jump of almost 47 per cent in the amount of cargo passing through it in August.
Amber weather warning issued for today
Ronaldsway Met Office has issued an amber weather warning for today.
St John Ambulance invites public to open day this weekend
A first aid organisation will be opening its doors to the public this weekend.
Election meeting in Onchan tonight
There'll be a chance to meet election candidates standing in Onchan tonight.
