Ten Thousand Islands—islands that lie off the southwest coast of Florida, USA:
- Marco Island is the largest of the socalled Ten Thousand Islands … that stretch from Naples down to the southern tip of the Florida mainland.
Thirty Thousand Islands—islands that lie on the east side of Georgian Bay, Ontario (Canada):
- Georgian Bay Islands National Park is situated in the world’s largest freshwater archipelago, known as the “Thirty Thousand Islands.”
Thousand Islands, the—islands that lie on both sides of the U.S.-Canada border in the Saint Lawrence River just east of Lake Ontario:
- The St. Lawrence River was wide here in the heart of the Thousand Islands region…