Steamship Authority

About Us

The Steamship Authority is the largest ferry service to the Islands of Martha’s Vineyard and Nantucket from Cape Cod. We offer the lowest fares and the most frequent daily departures for passengers, automobiles, groups and trucks. Our high-speed passenger ferry, the M/V Iyanough, gets you to Nantucket, dock-to-dock, in just an hour and operates April through December. Advance reservations are required for all vehicle travel. Martha’s Vineyard ferries depart from Woods Hole and Nantucket ferries depart from Hyannis. Since 1960, we have been the lifeline to the Islands year-round. Our U.S. Coast Guard-certified crews are committed to the highest level of safety at sea. We are also dedicated to making your trip both comfortable and convenient with spacious seating, free Wi-Fi and TV on-board.