Built in 1979, by Neuville Boat Works, Incorporated of New Iberia, Louisiana (hull #239) as the Denise C. for Uaukewai Diving Salvage Fish Incorporated of Honolulu, Hawaii.
She was later renamed as the Nana Hope , and then as the Nana Mua.
In 2006, she was acquired by K-Sea Transportation Partnership of East Brunswick, New Jersey where she retained her name.
In 2011, K-Sea Transportation was acquired by the Kirby Corporation of Channelview, Texas, where the tug retained her name.
Her current, and or final disposition is unknown.
She was rated at 480 horsepower.