Bloody Point Bar Light, near Kent Island in Maryland’s Chesapeake Bay, is an early cast-iron caisson “sparkplug” lighthouse built for exposed waters where screw-pile lights were vulnerable to ice and storms. First requested in 1865 and funded in 1881, it soon began to lean as storms scoured its base, requiring riprap, dredging, and stone to restore it close to vertical by 1885. A fogbell room was added about the same time. In 1960, a fire forced two Coast Guardsmen to abandon the station moments before its fuel tanks exploded, destroying the interior and lens. Rebuilt and automated in 1961, it later deteriorated again and remains a fragile survivor of the Chesapeake’s offshore lighthouse era.