Thousand Islands level year-round, and support at least two living trees. The Thousand Islands archipelago is located at the outlet of Lake Ontario at the head of the Saint Lawrence River. The region is bisected by the Canada–United States border and covers portions of Jefferson and St. Lawrence counties in the U.S. state of New York, in addition to parts of the United Counties of Leeds and Grenville and Frontenac County in the Canadian province of Ontario. Geologically, most of the islands are located where a branch of the Canadian Shield runs south across the river to join with the Adirondacks. The
Thousand Islands (Cocoa Beach) Thousand Islands (Cocoa Beach) The Thousand Islands are a group of natural, modified, and spoil islands in the Banana River Lagoon, Cocoa Beach, in Brevard County, Florida. From the late 1950s to the early 1970s the islands were reshaped by development and efforts to control mosquitoes as the population of Brevard grew during the initial period of the space program at Cape Canaveral and Kennedy Space Center. The State of Florida bought the Thousand Islands in 1988. It leased them back to the City of Cocoa Beach in 1991, providing that the islands be used for recreation and conservational efforts.