Alexandria Breakwater Small 320×122 Medium 640×244 Large 1024×391 Download Tiff Original 2400×916 | (317.3 KB) Description Breakwaters are structures on coasts as part of coastal defense or to protect an anchorage from the effects of weather and longshore drift. Keywords coastal management Galleries Marine Architecture Source: The Encyclopedia Britannica, Eleventh Edition (New York: The Encyclopedia Britannica Company, 1910)IV: 476