pier, jetty, seawall, wharf, groyne, quay, shoreline, harbor, marina, revetment, causeway, reef, pontoon, slipway, docks, lagoon, headland, dry dock, outfall, anchorage, pilings, cove, dredging, boardwalk, graving dock, waterfront, mooring, bulkhead, shoal, seaward, inlet, cofferdam, promenade, sandbanks, lighthouse, riprap, landward, foreshore, quayside, weir, retaining wall, ebb tide, sandbar, millpond, boatyard, mudflat, waterway, canal, estuary, menai strait, seafront, berm, beach, dune, headstay, viaduct, fishway, intracoastal waterway, trestle bridge, walkway, mudflats, boathouse, seaway, sluiceway, shorefront, riverbank, lake, coastline, trysail, shore, hull, drydock, riverbed, port, scows, pontoon bridge, dam, boat, dockyard, bascule bridge, waterline, bridge, vessel, berthing, spillway, bailey bridge, moorage, millrace, forebay, esplanade, headrace, daggerboard, seiche, dike, dories, gangway, inshore, shipworms, shipyard, fringing reef, barge, mainmast, breakwaters, embankment, tower, rampart, jetties, buttress, caisson, levee, palisade, chimney, cairn

barrier

bulwark, groin, mole