SEA FORT

SN A defensive construction situated in the sea, designed to protect the land from seabourne attack. The term applies mainly to those monuments built from around 1860 onwards.
CL DEFENCE
BT COASTAL DEFENCE SITE

 
 

SEA FORT

SN A defensive construction situated in the sea, designed to protect the land from seabourne attack. The term applies mainly to those monuments built from around 1860 onwards.
CL MARITIME
BT MILITARY COASTAL DEFENCES