A century ago Denmark built an island to defend its capital. Now it is full of tourists and is sold for ten million

The world has started 2026 slope of an island linked to the Kingdom of Denmark, but Greenland is not the only island dependent on Copenhagen that makes headlines. In it Øresund Strait There is a small Danish island that in recent weeks has also sparked interest due to its history, status and (above all) ownership. His name is Flakfortet and in this case, unlike Greenland, there would be no problem with Donald Trump controlling it. Of course, first you would need to go through the cash register and pay 10 million euros.

The reason: Flakfortet is actually an old military fortification built on an artificial island and in private hands that has just gone up for sale.

What has happened? that the Danish real estate market has incorporated an unconventional piece: a maritime fort built on an artificial island. That’s what they advertise on their page. Lintrup & Norgarta Danish firm specialized in real estate that for a few weeks advertise the sale of the Flakfortet fortress, located in the Øresund Strait. The property is offered for 74.5 million of Danish crowns, equivalent to about 10 million dollars.

“The island has modern facilities and historic structures and is visited by thousands of people each year,” highlights the agency. The announcement has attracted the attention of media outlets such as the German newspaper Bildthe specialized medium Yacht or the Danish public broadcaster TV2which specifies that the complex reaches 30,000 square meters (m2) and there are around 10,000 built. Among its facilities, the island includes a large marina and a heliport.

But what is Flakfortet? A vestige of the First World War. And a huge and picturesque reminder of the turbulent start of the 20th century. Flakfortet is a maritime fortress built on Saltholmrevan artificial island built from tons and tons of stone, concrete and sand in the Saltholm Strait. In fact, it is located between saltholm island and Copenhagen.

Flakfortet was not the result of a whim or megalomania. It was promoted at the beginning of the 20th century, after the Defense Agreement of 1909 with which an attempt was made to improve the fortifications (land and sea) that protect Copenhagen from enemy attacks. To be more exact, his works were developed between 1910 and 1916.

And what was it used for? The idea was to shield neighboring Copenhagen by sea. Hence, Flakfortet was projected as a true fort, capable of hosting around half a thousand soldiers and equipped with powerful cannons. Danmarks Nationalleksikon remember which in its day was equipped with howitzers, half a dozen cannons and anti-aircraft artillery. However, its role during the two great conflagrations of the last century was rather modest.

In fact, the outbreak of the First World War in 1914, with the project still uncompleted, frustrated the plans to equip it with modern howitzers. In the 40s it was occupied by the Wehrmacht and in the 50s it returned to Danish hands, although without much success. At the end of that same decade it closed as a naval anti-aircraft fort and during part of the 1960s it hosted the HAWK 541 Squadron of the Danish Air Force. Over time it was rented to the Copenhagen Sailing Union and was converted into a marina in the 1970s.

And in recent decades? His military past is behind him. After the Danish army decided to abandon the fort the weapons were dismantled and the casemates abandoned. As the 20th century progressed, the soldiers gave way to sailors who arrived aboard sailboats, tourists and history lovers fascinated by the fortification’s past. The next major chapter of his chronicle was written in 2021, when Denmark sold the island to Malmökranen AB, a Swedish company that acquired it for around 400,000 euros.

It may not seem like a lot of money, but the company had to invest significantly more to remodel the facilities and modernize its services, which includes a restaurant, a desalination plant that supplies the island with drinking water, and generators. These improvements, added to a ferry service that connected the island with Copenhagen and the interest aroused by the fort’s military past, explain why Flakfortet attracted up to 50,000 visitors in high season.

Good business, right? If we ask Malmökranen right now, the business seems to involve more the sale of the island than its direct management. And it’s not something new. In 2015 the complex already looked for a buyer without much success. More than a decade later, its owners have decided to try again, asking for even more money for facilities that have a port and heliport.

The agency in charge of the sale wait that the island will attract the interest of specialized investment firms or millionaires looking for a “secluded and quiet” property. Nor do they rule out that the Danish State itself decides to recover Flakfortet because it considers it “a critical infrastructure” and its location.

If it is finally an individual who takes over its reins, they should keep in mind that they cannot do whatever they want with the old fort: since 2002 It is considered a historical monument, so any significant work must have the OK of Heritage. The island must also remain open to the public.

Images | Wikipedia and Google Earth

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