Charles Island in Milford, Connecticut is accessible from shore via a kind of sandbar known as a “tombolo” which is exposed only at low tide. History tells us that Captain William Kidd visited Milford in 1699 while enroute to Boston. Local legend has it that some of his treasure is buried on Charles Island. See if you can find it in the clock when the tide goes out. The tide moves in the picture! The Charles Island tide clock can be set to follow most semidiurnal local tides. Precision tide movement with mechanically animated display, measuring 11" high x 6.5" wide x 2 "deep.