Thousand Islands Thousand Islands The Thousand Islands constitute an archipelago of 1,864 islands that straddles the Canada–US border in the Saint Lawrence River as it emerges from the northeast corner of Lake Ontario. They stretch for about downstream from Kingston, Ontario. The Canadian islands are in the province of Ontario and the U.S. islands in the state of New York. The islands range in size from over to smaller islands occupied by a single residence, or uninhabited outcroppings of rocks. To count as one of the Thousand Islands, emergent land within the river channel must have at least of land above water
Thousand Islands (Cocoa Beach) Several areas of the Thousand Islands were filled but not fully developed, leaving large areas of uplands. During the late 1960s Brevard County Mosquito Control began dredging the Thousand Islands south of Minutemen Causeway, resulting in conversion of salt marsh to upland dredge spoil with the state-owned C-34 impoundment. Native wetlands are dominated by red, black, and white mangroves. Succulent marsh contains saltwort, annual glasswort, perennial glasswort, sea blight, and shoreline seapurslane. The transition zone between salt marsh and upland is dominated by bushy seaside oxeye ("Borrichia frutescens" (L.) DC.) and buttonwood ("Conocarpus erectus" L.). Transition areas dominated by graminoid