Sunderland Southern Breakwater Small 320×182 Medium 640×363 Large 1024×582 Download Tiff Original 2400×1363 | (411.3 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: 481