Marge is a minor character in Jaws 2, and a close friend to Michael Brody. She has a passion for sailing. When Michael goes sailing with his friends even though his father Martin Brody prohibited it, and brings his younger brother Sean with him just so his parents won't know, they have a dispute, which gets Marge's attention, and she playfully offers to let Sean come with her, which he accepts.
However, they eventually find out why Mike's father doesn't want them to go sailing anymore: another monstrous great white shark is terrorizing Amity Island, and they are attacked by the predator. Amidst the panic and chaos, Mike is able to get to safety with the help of two of his friends, while Marge stays with Sean, protecting him, and the others. After the shark destroys a helicopter that came to bring them back to shore, the creature knocks Sean into the water. Marge manages to get him out of the water, but she is not as fortunate, and the shark swallows her whole before Sean's eyes.
She is played by Martha Swatek.
Marge is a friendly, caring and selfless girl who will put the safety of others before her own. She very protective and compassionate. Marge is also a girl who likes to have fun a loyal, honest, talkative girl who is also fun loving and playful. She is a cheerful, sweet, kind young woman who also enjoys teasing her friends. Marge like the rest of her friends enjoy adventure this is noticed when she and her friends are sailing out st sea. Marge enjoys having fun with her friends unlike Marge her friends like to do what most teenagers do misbehave and not listen to others. Marge however does not try to defy rules and parents like her friends do she prefers to have fun with out getting into trouble.
She is also a girl who doesn't like conflict this is seen when Michael and one of his get mad at his younger brother Sean. Marge breaks up the fight and jokes around with the boys seeing how mean Michael was to Sean she offers to take the boy sailing in her boat. When Michael agrees to it just to get Sean away from him both Marge and Sean are really happy to him say it's ok. She is a sweet, friendly, gentle, brave and cheerful girl.
Aside from all of that Marge is flirty as well despite having no love relationship. Her flirty behavior can be seen when she is with Sean.