Presque Isle Harbor, Michigan

Detroit District
Published Jan. 9, 2024

Presque Isle Harbor, Michigan is located on the south shore of Lake Superior at Marquette, Michigan. It is an indentation about 1.5 miles long and one-half mile wide in shore behind Presque Isle Point. The project was authorized by Rivers and Harbors Acts of June 3, 1896; June 13, 1902; August 30, 1935; and, July 14, 1960. The existing project provides

for a breakwater 2,816 feet long off Presque Island and the dredging of a maneuvering area of irregular shape, the inner basin of which is to be 28 feet deep and the approach 30 feet deep. The project serves iron ore (taconite) and coal facilities.

Project Map
Dredging Information
Functional Harbor Map

eHydro Website

2023 Presque Isle Harbor PCS

2022 Presque Isle Harbor PCS

2021 Presque Isle Harbor PCS

2020 Presque Isle Harbor PCS

2019 Presque Isle PCS-PDF

2019 Presque Isle PCS-DGN