A major hurricane then hit the area in 1835, splitting Virginia Key off (some accounts say that another storm had already begun the process in 1828 or 1829).
An inlet was formed by the storm north of Virginia Key that is now called Norris Cut. It was once the first point of entry for boats entering into Biscayne Bay from the north.
Fisher Island remained attached to what is now Miami Beach until 1905. Dredging activity split what is now South Pointe in South Beach from Fisher Island, creating Government Cut (today used by cruise ships).
Fisher island separated from Miami Beach by dredging: