The MV Mary Ellen is a auto and passenger ferry vessel owned and operated by Cross Sound Ferry Services, Inc. and serving the Cross Sound Ferry, a ferry route connecting New London, Connecticut and Orient Point in Long Island, New York.
MV Mary Ellen has capacity for 85 vehicles and 675 passengers in total.
It is powered by Caterpillar EPA Tier 2 diesel engines and can reach a service speed of 15 knots making it one of the fastest vessels in the Cross Sound Ferry fleet.
The vessel, originally named Grand Republic, was built for the Bridgeport & Port Jefferson Ferry in 1983 by Offshore Shipbuilding, a now defunct ship building company in Palatka, Florida.
Cross Sound Ferry Services, Inc. acquired the boat in March 2003 and renamed it to Mary Ellen. It began service in June 2003.