Steamship Authority

Woods Hole, Martha's Vineyard and Nantucket Steamship Authority d/b/a The Steamship Authority
The MV Sankaty docked at the authority's terminal in Woods Hole in 2007
Overview
Area served	Cape Cod and the Islands
Locale	Southeastern Massachusetts
Transit type	Ferry
Number of lines	2
Chief executive	Robert B. Davis (General Manager)
Headquarters	Falmouth, MA (regulatory body) Woods Hole, MA (ferry service)
Website	steamshipauthority.com
Operation
Began operation	1960 (1960)[1]
Number of vehicles	10 ferry vessels[2]
System map v t e Woods Hole Hyannis Vineyard Haven Oak Bluffs seasonal Nantucket

The Woods Hole, Martha's Vineyard and Nantucket Steamship Authority, doing business as The Steamship Authority (SSA), is the statutory regulatory body for all ferry operations between mainland Massachusetts and the islands of Martha's Vineyard and Nantucket, as well an operator of ferry services between the mainland and the islands. It is the only ferry operator to carry automobiles to and from the islands.^[3] The Authority also operates several freight vessels, thus serving as the main link for shipping any commercial goods that are not transported using the airports on Nantucket or Martha's Vineyard.