Long before the Lagina brothers, before the Onslow Company, before Daniel McGinnis found that depression in the ground in 1795, someone else may have stood on the shores of Oak Island. The Norse.
We know for certain that Viking explorers reached North America around 1000 AD. The question is how far south they travelled, and whether Oak Island bears the marks of their presence.
The Proven Foothold
In 1960, Norwegian explorer Helge Ingstad and his archaeologist wife Anne Stine discovered the remains of a Norse settlement at L'Anse aux Meadows on the northern tip of Newfoundland. Excavations revealed the foundations of eight buildings, including a forge, a carpentry workshop, and several dwellings. Radiocarbon dating placed the settlement around 1000 AD.
It was the first confirmed evidence of European presence in the Americas, nearly 500 years before Columbus. UNESCO designated it a World Heritage Site in 1978.
L'Anse aux Meadows sits roughly 1,200 kilometres northeast of Oak Island. For a civilisation that routinely crossed the open North Atlantic between Scandinavia and Greenland, that distance was well within reach.
L'Anse aux Meadows→
The Sagas and the Lands Beyond
Two Icelandic sagas describe the Norse exploration of lands west of Greenland. The Saga of the Greenlanders and the Saga of Erik the Red tell of Leif Erikson's voyages to places he named Helluland (likely Baffin Island), Markland (likely Labrador), and Vinland, a land of wild grapes and mild winters.
The location of Vinland has been debated for over a century. Some scholars place it in Newfoundland. Others argue that the description of wild grapes, self-sown wheat, and warm temperatures points much further south, possibly to Nova Scotia, New Brunswick, or even New England. If Vinland was Nova Scotia, the Norse would have sailed directly past Mahone Bay and Oak Island.
The sagas also describe subsequent voyages by Thorfinn Karlsefni, who attempted to establish a permanent settlement in Vinland with a crew of around 160 people. They stayed for several years before conflicts with the indigenous population forced them to leave. These were not quick raids. The Norse came to stay.
Evidence in Nova Scotia
Several finds in and around Nova Scotia have fuelled speculation about Norse activity in the region.
A Norse penny, minted during the reign of King Olaf III of Norway (1067-1093), was discovered at the Goddard site in Brooklin, Maine in 1957. While some researchers believe it arrived through indigenous trade networks, others see it as direct evidence of Norse contact along the northeastern seaboard. Either way, it confirms that Norse objects were circulating in the region.
The Yarmouth Stone, found in southwestern Nova Scotia in 1812, bears markings that some researchers have interpreted as runic inscriptions. The interpretation remains disputed, with others reading the marks as natural weathering or later carvings. But the stone has kept the question of Norse presence in Nova Scotia alive for over two centuries.
Yarmouth Runic Stone→
Oak Island Connections
On Oak Island itself, several discoveries have been examined through the lens of possible Norse origin.
A crossbow bolt recovered during excavations caught the attention of researchers because crossbows were common weapons among Norse warriors and remained in use across Scandinavia well into the medieval period. The style and construction of the bolt raised questions about its age and origin.
Crossbow bolt (Wroclawski/Dunfield)→
Wooden structures found deep in the Money Pit and surrounding shafts have been carbon-dated to periods that overlap with the known range of Norse exploration. While carbon dating provides a window rather than a precise date, and the wood could have been placed at any point after the tree was felled, the dates have kept the Norse theory in the conversation.
Stone markers and carved features on the island have also drawn comparisons to Norse navigational traditions. The Norse were known to use stone cairns, directional markers, and landscape features to guide their movements across unfamiliar territory. Some researchers see echoes of these practices on Oak Island, though separating Norse construction methods from later European ones is notoriously difficult.
The Engineering Question
One of the strongest arguments against the Norse theory is the sheer complexity of Oak Island's underground works. The Money Pit, the flood tunnels, the carefully layered platforms of logs, charcoal, putty, and coconut fibre: this was sophisticated engineering on a massive scale.
Were the Norse capable of it? The answer is more nuanced than it might seem. The Norse were exceptional builders. They constructed ocean-going longships capable of crossing the Atlantic. They built elaborate stave churches with intricate joinery and no nails. In Scandinavia, they dug extensive mining tunnels and constructed complex drainage systems.
But the coconut fibre found at Smith's Cove presents a problem. Coconuts do not grow anywhere near Scandinavia or the North Atlantic. Their presence on Oak Island suggests contact with tropical regions, which points more naturally toward later European powers with global trade networks, such as the Templars, the Spanish, or the British.
Unless, of course, the coconut fibre represents a separate and later phase of construction, added to works that were originally begun by someone else entirely.
Coconut fibre (Money Pit)→
Norse or Not?
The Norse theory for Oak Island occupies an interesting middle ground. We know the Norse were in North America. We know they were capable sailors, skilled engineers, and prolific explorers. We know they travelled through waters that would have taken them within reach of Nova Scotia.
What we lack is the single definitive artefact: a clearly Norse object, recovered from a sealed context on Oak Island, with no possibility of later placement. Without that, the Norse theory remains compelling but unproven.
It is worth noting that the same could be said of most Oak Island theories. The island has a way of offering just enough evidence to keep every possibility alive, and never quite enough to settle the question.
If the Norse did reach Oak Island, they would have found exactly what every treasure hunter since has found: a small, wooded island in a sheltered bay, with deep soil and natural drainage, surrounded by the cold waters of the Atlantic. A place worth hiding something. A place worth remembering.