abstract
ancient
architecture
block
breakwater
brick
brown
building
causeway
coast
coastal
coastal waters
concrete
construction
dike
dyke
ebb and flow
embankment
erratic block
flood
flood control
flow
gray
harbor
high tide
high water
masonries
masonry
material
natural
old
pattern
port
protection
protective measure
quay wall
rampart
rough
shore
skirt
solid
stone
stone wall
stones
structure
surface
texture
textured
wall
waterside