Loyalty Schemes Choose a loyalty scheme and save on travel! At Stena Line we believe in a more rewarding way to travel that’s why we would like to offer you a loyalty scheme that best suits your needs for big savings! Joining is easy and membership is FREE for both schemes. Extra Join Extra, Stena Line's loyalty scheme and earn points that can be used towards various travel benefits. Register here Business Travel Maximise your own or your company’s business expenses with instant discounted fares and travel benefits when you travel frequently on any of our Irish Sea routes. Learn more