Mark was on the boat trip together with his Spanish teacher, his Spanish teacher's wife, his twin brother and some friends as well as classmates. He is a tall, quiet and good-looking boy. He also has blue eyes. He doesn't talk a lot and is very shy. Above all, he is not so good with girls. On the boat trip he felt in love with Donna. There were a lot of difficulties before he and Donna become a couple at the end of the story.