Cross-bay ferries connect to over 10 points in between.
Motor vehicles are not permitted on the rest of the island, except for utility, construction and emergency access and with limited beach-driving permits in winter.
Yet another version says it comes from the rash caused by poison ivy on the island.
While the western portion of the island was referred to as Fire Island for many years, the eastern portion was referred to as Great South Beach until 1920, when widespread development caused the whole land mass to be called Fire Island.
The island was heavily damaged in the high tides associated with Hurricane Sandy in 2012 including three breaches around Smith Point County Park on the sparsely populated east end of the island.