Tallink offers for Helsingi-Tallinn* and Tallinn-Helsingi* routes -20% discount for passenger and -10% for car. Passengers 3-5 are traveling free of charge in the car.
Book with promotional code AMBBOWLING starting from 01.08.2019. https://www.tallinksilja.com/book-a-cruise
Reservations and traveling period 01.08.-31.08.2019.
*Discount is valid for fast ferrys Star and Megastar.