Editing Screw-pile lighthouse (section)

== Surviving examples ==
[[File:USCGFoweyRocks.jpg|thumb|[[Fowey Rocks Light]], near [[Key Biscayne]], Florida]]
* [[Spit Bank Lighthouse]], in [[Cork Harbour]], Ireland was built by Alexander Mitchell between 1851 and 1853 and is still in use.
* [[Carysfort Reef Light]], four miles east of [[Key Largo]], [[Florida]], was built in 1852 and was the oldest screw-pile (with disk) lighthouse still in service in the United States, until it was deactivated in 2014.<ref>{{Cite web|url=http://lighthousefriends.com/light.asp?ID=703| title=Carysfort Reef, FL|website=lighthousefriends.com|access-date=October 29, 2018}}</ref> Screw-pile lighthouses on the reefs in [[Florida]] are tall skeletal towers, with living and working quarters set high above the reach of storm waves.
* The [[Seven Foot Knoll Light]] was built in 1856 and is the oldest screwpile lighthouse in [[Maryland]]. It was initially installed on a shallow shoal, Seven Foot Knoll, at the mouth of the [[Patapsco River]]. The northern reach of this river is the Baltimore [[Inner Harbor]], where the now-decommissioned lighthouse has been placed as a museum.
* The [[Thomas Point Shoal Light]] is a historic lighthouse in the Chesapeake Bay and the most recognized lighthouse in Maryland.
* The [[Drum Point Light]] originally located off Drum Point at the mouth of the [[Patuxent River]], it is now an exhibit at the [[Calvert Marine Museum]].
* The [[Hooper Strait Light]] originally located at the entrance to [[Tangier Sound]], it is now an exhibit at the [[Chesapeake Bay Maritime Museum]].
* The [[Roanoke River Light]] was built in 1886, and has been moved twice. It is the only surviving screw-pile lighthouse in [[North Carolina]].
* [[Fowey Rocks Light]], built in 1878, is seven miles south of [[Key Biscayne]], Florida. {{Asof|2019}}, it is the last screw-pile lighthouse still in operation on the [[Florida Reef]]. 
* [[American Shoal Light]], completed in 1880 (deactivated in 2015), is located east of the [[Saddlebunch Keys]], in the [[Florida Keys]].
* Built in 1885, the [[Middle Bay Light]] in [[Alabama]]'s [[Mobile Bay]] is an example of a common screw-pile lighthouse.
* [[Gunfleet Lighthouse]] off [[Frinton-on-Sea]] in [[Essex]] was constructed in 1850 but abandoned in 1921.