Built in 1976, by Jakobson Shipyard of Oyster Bay, New York (hull #456) as the Cape Cod for the Curtis Bay Towing Company of Baltimore, Maryland. An affiliate of the Moran Towing Corporation of New York, New York.
In 1980, the tug was transferred to the Moran Towing Corporation's fleet. Where she was renamed as the Joan Moran.
In 1988, the Curtis Bay Towing Company was absorbed into the Moran Towing Corporation. And in 1989, the Moran Towing Corporation renamed the tug as the Cape Ann.
Powered by two, EMD 12-645-E7 diesel engines. Turning two, cast steel, fixed pitch propellers. She is a twin screw tug, rated at 4,300 horsepower.
Her electrical service is provided by two 75kW Delco generator sets. The tug's capacities are 47,286 gallons of fuel.