Pictured as: the San Marcos (Higman Barge Lines) Photo by: Sam Draye
Built in 2012, by Southwest Shipyard Incorporated of Houston, Texas (hull #9680) as the San Marcos for Higman Barge Lines Incorporated of Houston, Texas.
In 2018, Higman Barge Lines Incorporated was acquired by the Kirby Corporation of Channelview, Texas. Where the tug retained her name.
She is a twin screw towboat, rated at 2,000 horsepower.