A pirate might have buried his treasure on the island, but why make a tunnel to hide it?
A Florida newspaper once ran an article saying that a pirate had buried treasure on the island, and included a map.
As the pirates bury their treasure they find a strange cocoon, the captain orders them to dig it up.
According to popular conception, pirates often buried their stolen fortunes in remote places, intending to return for them later (often with the use of treasure maps).
It seems that a certain dive site may also be where a long-dead pirate buried his ill-gotten loot.
It is said to have been the location for Robert Louis Stevenson's Treasure Island; pirates once buried their booty here.
He always told me that pirates buried treasures that weren't found for centuries.
February-early May - (unsubstantiated...) Rackham's pirates bury their treasure on the Island of Princes.
With more warmth than she'd expected to feel toward Roan's son, she said, "I once read that pirates buried their gold near dead men so the ghosts would protect it.
On one of the unihabited islands, Matt points out an underwater cave, where pirates would have buried stolen treasure.