Did a secret society hide the Holy Grail on Oak Island?


Painting of the last supper and holy grail

The Holy Grail is the cup that Jesus used at the Last Supper, shown in this painting. Some researchers have claimed that a secret society hid this priceless relic on Oak Island to protect it.


The Knights Templar are a European secret society that are considered the protectors of the Holy Grail. This painting shows their founding in the 12th century.

Painting of the founding of the Knights Templar

SYmbol of the Rosicrucians

Skull rock and clue on Oak Island

Knights Templar cross symbol on crusader shield

Carved overton cross, a clue on Oak Island

Symbol of the Freemasons

Carved letter G a clue on Oak Island

Oak Island Secrets by Mark Finnan book

Mark Finnan breaks down all the mysterious clues and symbols on Oak Island to show the connections to these three secret societies in his book, Oak Island Secrets.

Keep reading to learn more about this mystery!


The Deluxe Oak Island Book Set with all 5 oak island books

The Deluxe Oak Island Book Set

Oak Island Illustrated: the 225-year search for truth and treasure by John Bell book

Oak Island Illustrated: The 225-year Search for Truth and Treasure
By John Bell

Oak Island's First Visitors: Irish Monks, Vikings and Templars: The artifacts and the evidence by Doug Symons book

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Oak Island and its Lost Treasure by Graham Harris and Les MacPhie book

Oak Island and its Lost Treasure
By Graham Harris and Les MacPhie

The Mystery of the Oak Island Treasure: Two Hundred Years of Hope and Despair By Mark Reynolds book

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By Mark Reynolds