Great Diamond Island is an island in Casco Bay, Maine, United States. It is part of the city of Portland. At the 2000 census, the island had a year-round population of 77. The island is not accessible from the mainland by motor vehicle and has a limited network of roads. The primary modes of transportation are golf carts and bicycles. This fact has become a selling point for the island, marketing the area as "car free" and "kid friendly". The island was used as a military base starting in the late 19th century and continuing through World War II. After the base was decommissioned, the bunkers and residences were left idle for over 30years before being developed and sold to private citizens.
A Casco Bay Lines ferry sailing "down the bay" after stopping at Diamond Cove.
Diamond Cove is a ferry stop at the northeastern side of the island. The Diamond Cove properties are on the grounds of the former Fort McKinley, making use of the army barracks and officer's quarters as renovated homes. The abandoned concretecoastal artillery batteries exist in the woods at the east of the island, although they are technically private property and off-limits due to safety concerns. The community is gated and, for the most part, not open to the general public, although the Diamond's Edge restaurant is open and located just off the Casco Bay ferry dock. Tours of the grounds, by reservation, are available. A limited number of homes have been built on the waterfront areas of the island; many have been featured in local magazines and newspapers. The Fort McKinley Historic District was listed on the National Register of Historic Places in 1985.[1]
Crown Jewel, another seasonal restaurant near the former Quartermasters Quarters, offers surprising new twists to a seafood menu. Bill as One of Portland’s best eateries. In a 2010 GQ magazine article about the coolest small cities in America, visiting the Diamond Cove General Store to get a lobster roll made their list of four must-see places in Portland.[2]
History
Diamond Cove was initially an artistic retreat community, hosting visitors such as Henry Wadsworth Longfellow and Harriet Beecher Stowe, and it included amenities including a nine-hole golf course. At the time of the Spanish–American War, the island was converted almost entirely to a military base to defend Casco Bay. Fort McKinley was constructed between 1891 and 1907 and remained in service until the end of World War II in 1945. The property at Diamond Cove remained abandoned for decades, until its renovation to the community it is today.[3]
A panoramic view of the Parade Ground at Diamond Cove. Barracks buildings (currently town homes) to the left and officer's row at center and right.
Portland is a port city and the most populous city in the U.S. state of Maine and the seat of Cumberland County. Portland's population was 68,408 in April 2020. The Greater Portland metropolitan area is home to over half a million people, the 104th-largest metropolitan area in the United States. Portland's economy relies mostly on the service sector and tourism. The Old Port is known for its nightlife and 19th-century architecture. The marine industry plays an important role in the city's economy, with an active waterfront that supports fishing and commercial shipping. The Port of Portland is the second-largest tonnage seaport in New England.
Falmouth is a town in Cumberland County, Maine, United States. The population was 12,444 at the 2020 census. It is part of the Portland–South Portland–Biddeford, Maine metropolitan statistical area.
South Portland is a city in Cumberland County, Maine, United States, and is the fourth-largest city in the state, incorporated in 1898. At the 2020 census, the city population was 26,498. Known for its working waterfront, South Portland is situated on Portland Harbor and overlooks the skyline of Portland and the islands of Casco Bay. Due to South Portland's close proximity to air, marine, rail, and highway transportation options, the city has become a center for retail and industry in the region.
Casco Bay is an inlet of the Gulf of Maine on the southern coast of Maine, New England, United States. Its easternmost approach is Cape Small and its westernmost approach is Two Lights in Cape Elizabeth. The city of Portland sits along its southern edge and the Port of Portland lies within.
Cliff Island is an island in Casco Bay, Maine, United States. It is part of the city of Portland. As of the 2000 census, the island had a year-round population of approximately 60 people. In the summer, the island's population grows to about 200, despite the fact that it is the only year-round inhabited island in Casco Bay with no paved roads. The ZIP Code for Cliff Island is 04019.
Chebeague Island is located in Casco Bay, an inlet of the Gulf of Maine. It was originally used as a fishing ground by Abenaki Native Americans. Also known as Great Chebeague Island, today it is a town in Cumberland County, Maine, United States. It is located 10 miles (16 km) northeast of Portland, Maine. Chebeague Island is the largest island in Casco Bay that is not connected to the mainland by a bridge. The largest island is Sebascodegan, or "Great Island," which is part of the Town of Harpswell and connected to the mainland by a bridge.
Little Diamond Island is an island in Casco Bay, Maine, United States. It is part of the city of Portland.
Cushing Island, or Cushing's Island, is a privately owned island in Casco Bay in the U.S. state of Maine. Part of the city of Portland, roughly 45 families live there seasonally.
Fort Gorges is a former United States military fort built on Hog Island Ledge in Casco Bay, Maine, United States. Built from 1858 to 1864, no battles were fought there and no troops were stationed there. Advancing military technology, including iron clad ships and long range guns, rendered the fort obsolete before it could be used. The fort is now a park, accessible only by boat. It was added to the National Register of Historic Places in 1973.
Casco Bay Lines is a publicly run transportation company that services the residents of the islands of Casco Bay, Maine. These islands include Peaks Island, Little Diamond Island, Great Diamond Island, Diamond Cove, Long Island, Chebeague Island, and Cliff Island.
The Old Port is a district of Portland, Maine, known for its cobblestone streets, 19th-century brick buildings and fishing piers. The district contains boutiques, restaurants and bars. Because of its reputation for nightlife, the Old Port is a popular destination for tourists and locals alike.
Fort Levett was a former U.S. Army fort built on Cushing Island, Maine, beginning in 1898. Located in Cumberland County, Maine, in Casco Bay near Portland, Maine, the fort was heavily fortified with guns for coastal defense. Conceived under the Endicott Program in 1885 and begun in the wake of the Spanish–American War, Fort Levett was manned during both world wars. It was part of the Coast Defenses of Portland, later renamed the Harbor Defenses of Portland, a command which protected Portland's port and naval anchorage 1904-1950. The fort's name is sometimes misspelled as "Fort Leavitt".
Jewell Island is a small island in Casco Bay, Maine, United States. Approximately 1 mile (1.6 km) long from southwest to northeast, it is located off the coast of Cliff Island, approximately eight miles from downtown Portland. It is a state-owned island with a small but protected harbor as well as camping and walking paths. Jewell Island was part of the Harbor Defenses of Portland fort network. The island is part of the city of Portland. Jewell Island can be reached by private or charter boats. There is no ferry service to the island.
Fort Williams Park is a 90-acre park in Cape Elizabeth, Maine, encompassing numerous historical sites. Perhaps most famous for having Portland Head Light on its grounds, the park also encompasses the decommissioned and largely demolished United States Army post Fort Williams, which was operational during World War I and World War II.
Fort McKinley is a former United States Army coastal defense fort on Great Diamond Island, Maine in Casco Bay, which operated from 1873 to 1947. It was named for President William McKinley. It included a sub-post, Fort Lyon, on Cow Island, just north of Great Diamond Island. Fort Lyon was named for Nathaniel Lyon. Both forts were part of the Coast Defenses of Portland, renamed the Harbor Defenses of Portland in 1925, a command which protected Portland's port and naval anchorage 1895-1950. In 1946 Fort Lyon was closed and turned over to the City of Portland. After Fort McKinley's closure it was transferred to the United States Navy, which sold the site to private interests in 1961. The Fort McKinley Historic District was listed on the National Register of Historic Places in 1985.
Battery Steele is a United States military fortification on Peaks Island, Portland, Maine in Casco Bay. Completed in 1942 as part of World War II, it is located on 14 acres (5.7 ha) on the oceanside area of the island, formerly part of the Peaks Island Military Reservation. It is named for Harry L. Steele, who was a Coast Artillery officer during World War I. It was armed with two 16-inch MkIIMI guns and, with a 12-inch gun battery at Fort Levett on Cushing Island, replaced all previous heavy guns in the Harbor Defenses of Portland. It was built to protect Casco Bay, particularly Portland harbor, from Kennebunk to Popham Beach in Phippsburg. According to Kim MacIsaac and historian Joel Eastman in An Island at War, “Battery Steele is not only the largest gun battery built on Peaks Island, but also an example of the largest battery ever built anywhere in the United States.” In 1995, after decades of non-use, the Peaks Island Land Preserve, a community land preservation group, formed to purchase the area and forever preserve it as a public space. On October 20, 2005, the property was listed on the National Register of Historic Places. Other coast defense structures on the island include fire control towers and the counterweight for a disappearing searchlight tower.
The Great Diamond Island Site, designated Site 9-16 by the Maine Archaeological Survey, is a prehistoric archaeological site on Great Diamond Island in Casco Bay, off the coast of southern Maine. Principally a shell midden, the site is an important window into the habitation and usage history of the Casco Bay region by Native Americans. The site was listed on the National Register of Historic Places in 1979.
The Harbor Defenses of Portland was a United States Army Coast Artillery Corps harbor defense command. It coordinated the coast defenses of Portland, Maine, the mouth of the Kennebec River, and surrounding areas from 1895 to 1950, beginning with the Endicott program. These included both coast artillery forts and underwater minefields. The command originated circa 1895 as the Portland Artillery District, was renamed Coast Defenses of Portland in 1913, and again renamed Harbor Defenses of Portland in 1925.
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