Frankfort is a city in Benzie County in the U.S. state of Michigan. The population was 1,286 at the 2010 census. The elevation of Frankfort is 600 ft (183 m) above sea level. The city is situated with Lake Michigan to the west, Lake Betsie, formed by the Betsie River before flowing into Lake Michigan, on the south and Crystal Lake Township to the north and east. The city is on M-22 just north of Elberta. M-115 has its western terminus in the city. The Frankfort North Breakwater Lighthouse is at the end of the northern breakwater in Lake Michigan.
The Frankfort Light is a lighthouse located on the north breakwater in the harbor in Frankfort, Michigan. The current light was constructed in 1912 and placed on the National Register of Historic Places in 2005.
The Charlevoix South Pier Light Station is located on Lake Michigan at the entrance to Lake Charlevoix in Charlevoix County in the U.S. state of Michigan at the end of the south pier/breakwater of the channel leading to Round Lake in the city of Charlevoix.
The Milwaukee Breakwater lighthouse was built in 1926 in the harbor of Milwaukee in Milwaukee County, Wisconsin to mark the entrance to the harbor. One of the last fully enclosed breakwater lighthouses in the Great Lakes, the structure was placed on the National Register of Historic Places in 2011.
The Manistique East Breakwater Light is a lighthouse is located in the harbor of Manistique, Michigan. It was listed on the National Register of Historic Places in 2005.
The Menominee North Pier lighthouse is located in the harbor of Menominee, Michigan. The station was first lit in 1877. The current structure and its still operational light was lit in 1927, and automated in 1972. It is also sometimes called the "Menominee (Marinette) North Pierhead Light".
The Harbor Beach Lighthouse is a "sparkplug lighthouse" located at the end of the north breakwall entrance to the harbor of refuge on Lake Huron. The breakwall and light were created by the United States Army Corps of Engineers to protect the harbor of Harbor Beach, Michigan, which is the largest man-made freshwater harbor in the world. Harbor Beach is located on the eastern edge of the Thumb of Huron County, in the state of Michigan.
The Marquette Harbor Light is located on Lake Superior in Marquette, Michigan, a part of the Upper Peninsula. It is an active aid to navigation.
The New Canal Light or was first established in 1838 at the north end of the New Basin Canal which ran from Lake Pontchartrain to the Uptown or "American" section of the city which today is known as the New Orleans Central Business District. The canal was filled in about 1950, but the lighthouse remained on a jetty extending into the lake on a half mile long stretch of the canal that was left and is still used as a small boat and yachting harbor.
The Ontonagon Harbor Piers Historic District is historic shipping structure located on the Ontonagon River at Lake Superior in Ontonagon, Michigan. It was listed on the National Register of Historic Places in 2001.
The Grand Marais Harbor of Refuge Inner and Outer Lights are a pair of lighthouses located on the west pier at the entry to Grand Marais Harbor of Refuge, in Grand Marais, Michigan. They were listed on the National Register of Historic Places in 2012.
The Navigation Structures at Pentwater Harbor are navigational structures located at the west end of Lowell Street in Pentwater, Michigan. They were listed on the National Register of Historic Places in 2001.
The Keweenaw Waterway Lower Entrance Light, also known as the Portage Entry Light, is a lighthouse located at the south end of breakwater at mouth of the Portage River in Torch Lake Township. It was listed on the National Register of Historic Places in 2014.
The Keweenaw Waterway Upper Entrance Light is a lighthouse located at the north end of the Portage River in McLain State Park in Hancock Township, Michigan. It was listed on the National Register of Historic Places in 2014.
The Presque Isle Harbor Breakwater Light is a lighthouse located on the breakwater at northeast side of Presque Isle Harbor in Marquette, Michigan. It was listed on the National Register of Historic Places in 2016.
The Navigation Structures at Saugatuck Harbor consist of two piers flanking the mouth of the Kalamazoo River on the shore of Lake Michigan near Saugatuck, Michigan. The structures were listed on the National Register of Historic Places in 2001.
The Manistee Harbor, South Breakwater is a navigational structure located at the mouth of the Manistee River, in Manistee, Michigan. It was listed on the National Register of Historic Places in 1995. The breakwater is significant due to its construction, which represents a final stage in the United States Army Corps of Engineers's use of timber crib substructures in pier and breakwater construction.
The Navigation Structures at White Lake Harbor area set of piers protecting the channel connecting Lake Michigan and White Lake, located at the end of Lau Road near Whitehall, Michigan. It was listed on the National Register of Historic Places in 2000.
The Piers and Revetments at Grand Haven, Michigan are navigational structures located at the mouth of the Grand River in Grand Haven, Michigan. The structures were listed on the National Register of Historic Places in 1995.
The Navigation Structures at Harbor Beach Harbor are a series of breakwaters located in Lake Huron, on North Lakeshore Drive in Harbor Beach, Michigan. They were listed on the National Register of Historic Places in 1997.
