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
Toys R Us has scrapped its four collectible dolls based on the characters of the hit TV series Breaking Bad after a campaign by a US mother
Late actress Lynda Bellingham shared how she planned to spend Christmas during a moving final interview on Loose Women to be broadcast later