浜辺
underwater
aground
antifouling
ashore
barnacle
beached
benthos
boat
bottom
broken
careening
centerboard
clam
cleansing
coast
coastal
coastline
damage
dry
excrescence
fin
growth
harbor
hull
keel
low tide
maintenance
marine
overgrown
paint
polluted
repair
sailboat
sailing
sand
sea
seashore
shipwreck
shipwrecked
shore
surface
tipped
undersea
water
waterline
yacht