Location is in Port Huron, MI at the Head of the St. Clair River, just South of the Blue Water Bridge.

This small ship was built in New York City in 1920 and launched as Lightship #103 of the United States Lighthouse Service. She conducted and passed her sea trials and conditional acceptance on December 3 & 4 of 1920.

In service until 1971, she was the only lightship on the Great Lakes for the last 30 years of her service.