Check out the Fire Island National Park Service website about the Confederate blockade runner CSS Tallahassee and the Long Island raid . That ship sailed up to Long Island and sank about 7-8 ships right off our shore. One ship was seized by the Confederates and the passengers and crew rowed to Fire Island. A Pilot Boat about 80 tons was out looking for a ship to guide into NY Harbor and the CSS Tallahassee spotted the Pilot Boat near Fire Island and gave chase. It fired it's cannon 3 times at the Pilot boat before stopping it and sinking it. Right off Fire Island ! It also sank the Schooner Adriatic 30 miles off Montauk. It was recently discovered by skin divers and the story was in Newsday. The Tallahassee was over 200 feet long and could do 14 knots during the Civil War! The Adriatic was 200 feet long. The most Famous Blockade runner of the War, the CSS Alabama , sailed off the East End of LI and sank 4 ships out about 50 miles or so. The CSS Florida also operated off Long Island. Most people never knew about this.