History of Flagler Beach This is a great journey of discovery, one begun by Henry Morrison Flagler, a Florida entrepreneur of the late 19th century who opened the area to pioneers when he built the first railroad on the eastern seaboard of Florida. The decades of slow, steady growth have allowed planners to ensure that Flagler County’s environment has been preserved for all to enjoy. In 1994, Flagler County was named the fastest growing county in the United States from 1980 to 1990. Strict planning has made certain that the high quality of living has been maintained for future generations, too. Continue the Tour >>