Naples Harbor Extension Breakwater Small 320×153 Medium 640×306 Large 1024×490 Download Tiff Original 2400×1148 | (598.0 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: 479