A ferry is a boat or ship, used to carry passengers and their vehicles across a body of water.
- Derek Shepherd is known for having a thing for ferry boats. He even has a ferry scrub-cap.
- There was a ferry crash at Elliott Bay in season three. Hundreds of casualties were sustained (notably Rebecca Pope).
- In Staring at the Sun, Addison throws her wedding ring into the water while riding a ferry boat.
- On the day he died, Derek left a message for Meredith from a ferry boat.
- Jo Wilson and Alex Karev got married on a ferry boat.