Thousand Islands Border Crossing and Canada border stations are located at the opposite ends of this span. The crossing is the westernmost of the three on the St. Lawrence River and is very busy, with up to two hours of waits during the summer. The US border station of Alexandria Bay has sometimes been called "Thousand Islands", and the Canada border station of Lansdowne has sometimes been called "Gananoque", named for the nearby town where international ferry service has historically (and continues to be) provided. These border stations are also responsible for inspecting vessel traffic between the two countries. The US has seasonal vessel
Thousand Islands (Cocoa Beach) (Sw.) Willd.), blolly ("Guapira discolor" (Spreng.) Little), black ironwood ("Krugiodendron ferreum"(Vahl) Urb.), twinberry ("Myrcianthes fragrans"(Sw.) McVaugh), white indigo-berry ("Randia aculeata" L.), saffron plumb ("Sideroxylon celastrinum"(Kunth) T. D. Penn.), and wild lime ("Zanthoxylum fagara" (L.) Sarg.). Many of these plants are not found farther north than Brevard County. The state of Florida and Cocoa Beach purchased the islands north of Minutemen Causeway in 1988. Acquisition of the remaining south islands was completed by 2007. These islands are managed as the Thousand Islands Conservation Area by Brevard County Environmentally Endangered Lands Program. Efforts to acquire the remaining privately held islands began in