Thousand Islands Bridge Thousand Islands Bridge The Thousand Islands International Bridge () is an international bridge system over the Saint Lawrence River connecting northern New York in the United States with southeastern Ontario in Canada. Constructed in 1937, with additions in 1959, the bridges span the Canada–US border in the middle of the Thousand Islands region. All bridges in the system carry two lanes of traffic, one in each direction, with pedestrian sidewalks. The bridge is managed by an American company. The actual international border bridge crossing is a set of two parallel long bridges between Wellesley Island in the United States and
Ten Thousand Islands at the northern end of the Ten Thousand Islands was occupied year-round 3,500 years ago, and other sites are presumed to have been inundated by a rise in sea level. The material culture of the Indians living in the Ten Thousand Islands was distinctive enough to be classified as, at least, a sub-area of the Glades culture area. Almost all of the Ten Thousand Islands are currently uninhabited. The largest, Chokoloskee Island, which is connected to Everglades City by a causeway, has about 400 permanent residents. Other islands have been sporadically inhabited in the 19th and 20th centuries by individuals