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 and trucks. Martha’s Vineyard ferries depart from Woods Hole and Nantucket ferries depart from Hyannis. Our seasonal high-speed passenger-only ferry, the M/V Iyanough, gets you to Nantucket – dock-to-dock – in just an hour. Take advantage of our special same-day, round-trip to Nantucket, offered Monday–Thursday during the high-speed ferry season and save.
For a perfect day trip, or a longer getaway, Martha's Vineyard and Nantucket make wonderful destinations—with magnificent beaches, charming scenery and fabulous shopping and dining.