Prior to 1940, most of what is now North Bay Village lay beneath the waters of Biscayne Bay. The only dry land was Broadcast Key, a five-acre island from which pioneer radio station WIOD began broadcasting in 1926. Today, television station WSVN-TV maintains its headquarters at this same site, now joined with Treasure Island.In 1940, dredging and bulk-heading created North Bay Island. By 1941, palm-lined streets had been laid out, and 12 homes had been built and occupied. Today, the island has grown into a lush neighborhood of attractive single-family residences.During the mid 1940's, dredging and filling created Harbor Island and Treasure Island. Harbor Island is composed primarily of multi-family buildings. Treasure Island, whose street names were drawn from Robert Louis Stevenson's n... 11/05/2007