Did Captain Kidd Hide His Loot In a Thimble? The Unique History of the Thimble Islands

Thimble Islands archipelago in the Long Island Sound, Branford, Connecticut. Source: (Photo by Carol M. Highsmith/Buyenlarge/Getty Images)

In Long Island Sound, just off the coast of Connecticut, there is a collection of 365 tiny islands—one for each day of the year, the locals like to quip—that are collectively known as the Thimble Islands. No more than large, granite boulders that were strewed into the water during the Ice Age, the Thimble Islands have a rich history that included rumors of pirate treasure.