Port Huron–Sarnia Border Crossing

The Blue Water Bridge is a twin-span international bridge across the St. Clair River that links Port Huron, Michigan, United States, and Point Edward, Ontario, Canada. The Blue Water Bridge connects Highway 402 in Ontario with both Interstate 69 (I-69) and Interstate 94 (I-94) in Michigan.

The Thomas Edison Depot Museum (previously the Grand Trunk Western Railroad Depot) is a former railway depot located at 520 State Street in Port Huron, Michigan. It has been converted into a museum. The building was listed on the National Register of Historic Places in 1977.

Fort St. Joseph was a fort established in 1686 by Daniel Greysolon, Sieur du Lhut for New France. Erected on the St. Clair River, the fort was intended to prevent English trade with native tribes. In 1687, about two hundred coureurs de bois, five hundred Algonquian, Henri de Tonti, Nicholas Perrot, Oliver Morel de La Durantaye, and thirty French soldiers gathered there under Marquis de Denonville's orders to prepare for an attack on the Six Nations Iroquois Confederacy during the Iroquois Wars. With a lack of supplies and no orders from the governor, the fort's commander, Louis-Armand de Lom d'Arce de Lahontan, Baron de Lahontan, burned Fort St. Joseph on August 27, 1688, and moved to Michilimackinac. According to historian Reuben Gold Thwaites, the action caused "no disadvantage" to New France.

Fort Gratiot was an American stockade fort in Fort Gratiot, Michigan, in Saint Clair County, Michigan. The former location of the fort was listed on the National Register of Historic Places in 1980.

Fort Gratiot Light , the first lighthouse in the state of Michigan, was constructed north of Fort Gratiot in 1825 by Lucius Lyon, who later became one of Michigan's first U.S. Senators.The Fort Gratiot Light marks the entrance to the St. Clair River from Lake Huron (going south) in the southern portion of Michigan's Thumb. The light is still active and the grounds are an active Coast Guard facility, but it has recently been handed over to the Port Huron Museum. It is the oldest surviving lighthouse in Michigan. There is also a public beach and park on the property, known as Lighthouse Beach. It is across the river from Point Edward Front Range Light.

The United States lightship Huron (LV-103) is a lightvessel that was launched in 1920. She is now a museum ship moored in Pine Grove Park, Port Huron, St. Clair County, Michigan.

The Ladies of the Maccabees Building is a fraternal organization building, located at 901 Huron Avenue in Port Huron, Michigan. It was listed on the National Register of Historic Places in 1982.

Point Edward is a village in the Canadian province of Ontario. Adjacent to the city of Sarnia in Lambton County, Point Edward sits opposite Port Huron, Michigan and is connected to it by the Blue Water Bridge, at the meeting point of the St. Clair River and Lake Huron. Formerly called Huron, it was renamed in 1860 to mark the visit by the then Prince of Wales, later Edward VII. Incorporated 1879. In the Canada 2016 Census, the population of Point Edward was 2,037, an increase of 0.1 percent from its 2011 population of 2,034. In the summer of 2003, Point Edward celebrated its 125th anniversary.

St. Clair County Community College (SC4) is a public community college in Port Huron, Michigan. It serves as the primary center of higher education for the Blue Water Area. SC4 offers Associate degree and certificate programs. It also offers online classes and transfer programs to four-year institutions. In addition, working with University Center partners, students can earn Bachelor's and Master's degrees without even leaving the SC4 campus. Classes are held in classrooms on the SC4 campus and taught online. SC4 has learning centers in Harbor Beach, Algonac, Yale, Peck, and Croswell, as well as its main campus in Port Huron. Through these regional centers, SC4 serves a large portion of the Thumb region of Michigan.

McMorran Arena is an entertainment complex in Port Huron, Michigan consisting of a 4,800-seat multi-purpose arena and a theater. It was designed by Alden B. Dow and built in 1960 for $3.5 million (equivalent to $34.6 million in 2022). The exterior of the complex is faced with red brick with limestone accents.

The Port Huron Civic Theatre (formerly Port Huron Little Theatre) is a historical theatre which started in 1956 in the town of Port Huron, Michigan. For sixteen years, PHLT brought 84 productions to the McMorran Place Theatre stage. In 1976, the theatre purchased and renovated an old church in town for a place of their own. However, in 1983 the theatre returned to McMorran Place Theatre for the larger atmosphere. In 1989, the theatre changed the name to Port Huron Civic Theatre to "better reflect a growing, county-wide membership". The theatre's board elected to produce "Game Night", the first original play to be produced by the group in its then 55-year term. Produced in the spring of 2011, the play was written by Port Huron resident Jeremy Stemen.

The Howard Block, also known as the Central Block, is a commercial building located at 201-205 Huron Avenue in Port Huron, Michigan. It was listed on the National Register of Historic Places in 1994.