Daily passenger ferry service between Bar Harbor and Winter Harbor seven days a week from June 15 to October 9. Departs from the Bar Harbor Inn Pier, Bar Harbor and Winter Harbor Marine, Winter Harbor.

Operated by Bay Ferries, Ltd., The Cat is the fastest car ferry in North America and carries up to 900 passengers and 240 cars across the Gulf of Maine, traveling between Portland, Bar Harbor and Yarmouth, Nova Scotia, in 2hrs 45 min. Ferry service is available from mid-May to mid-October.