Built in 1965 by Martinolich Shipbuilding at Tacoma, Washington as the Sea Queen for the Pacific Tow Boat Company of Everett, Washington.
In 1969, Pacific Tow Boat and the Foss Launch and Tug Company of Tacoma, Washington were acquired as subsidiaries of the Dillingham Corporation of Honolulu, Hawaii. Operations of the two companies were united under the Foss name, where she was renamed as the Mathilda Foss.
In 1987, the Foss Maritime Company was acquired as an independent subsidiary of Saltchuk Resources Incorporated of Seattle, Washington.
In 1998, she was acquried by the Campbell Towing Company Incorporated of Wrangell, Alaska. Where the tug was renamed as the Peril Strait.
In 2006, the tug was acquired by the Seley Corporation of Ketchikan, Alaska. Where she retained her name.
In 2007, she was acquired by the Curtin Maritime Corporation of Long Beach, California. Where the tug was renamed as the Sarah C.
The tug was later extensively rebuilt, receiving an updated powerplant and new bulwarks and superstructure.