The ferry Sirena Seaways, with 489 passengers on board, hit the quay at Parkeston near Harwich in Essex just after midday, but the water it was taking on was "quickly stopped" and it arrived safely at nearby Harwich International Port at 2.45pm.
There are no reported injuries and no reported pollution.
Thames Coastguard was contacted just after midday with reports that Sirena Seaways had been damaged.
More top news
People should only be allowed to move freely within the EU if they have a job waiting for them, the Home Secretary has said.
A 62-year-old woman has been found alive more than a week after she vanished while on a hiking trip.
The first African American actor to play the lead role in Les Misérables on Broadway has died, aged 21.