MV Iyanough is a high-speed ferry that operates for the Steamship Authority on a route between Hyannis and Nantucket, Massachusetts.
Iyanough was built by Gladding-Hearn Shipbuilding to an Incat Crowther design at a cost of $9.7 million[1] and was delivered to the Authority in January 2007.
[3] She was christened and commissioned into service during a ceremony on Nantucket Island on March 24, 2007.
[3] She is powered by four MTU diesel engines, which give her a top speed of 38 knots (44 mph) when fully loaded.
[1] On the night of June 16, 2017, Iyanough crashed into a jetty in Hyannis harbor, injuring fifteen passengers.