The Key West Turtle Museum is marked on the map as Turtle Cannery Museum, just beside the port of Key West Bight. It is not mandatory to buy tickets, but donations. A very small museum, you will miss it if you are not careful. The display inside is all about turtles. In addition to some scientific exhibits, there are real turtle eggs, turtle bones or something. But because it is quite small, we just strolled around and left. And this small museum is a bit arrogant, only open Thursday to Sunday.