How did the island get it name in three skelenton key?

In "Skeleton Key," the island gets its name from the shape of the land, which resembles a skeleton key, a type of old-fashioned key used to unlock doors. The protagonist, Nick, learns that the island is steeped in mystery and lore, often associated with hidden treasures and secrets. The unique name adds to the intrigue of the story, highlighting the connection between the island's physical characteristics and its enigmatic past.