Quote Originally Posted by MoodySabre View Post
The ferry ticket from Harwich to Hook includes the train the Rotterdam Centraal.

For all things public transport go to 9292.nl
Note that the completion of the metro link from the Hoek of Holland to Rotterdam Central has been delayed to spring 2019. A replacement bus service to the nearest train station is provided (fare payable on ferry), but can get busy if there are a lot of foot passengers.