Mary Amerman of Duluth won the grand prize in Lake Superior Magazine’s 18th annual Lake Superior Photo Contest. Her photo of the water-smoothed rocks on Duluth’s Brighton Beach was one of 1,284 images entered in the contest from 138 different cities, in 18 states, one U.S. Territory (Guam) and Canada.

Duluthian Kenji Ogura won first place in the Artsy/Altered category with a photograph of the weekly regatta. All the winners and finalists are featured in a gallery on lakesuperior.com.