seaweed
marine algae or plants that grow in the sea
The tide left clumps of seaweed on the sand.
seafaring
relating to navigation or travel by sea
She comes from a long line of seafaring ancestors.
seaport
a port on the sea where ships load and unload
The goods arrived at the busy seaport.
seashore
the land along the edge of the sea; the coast
Children played along the seashore collecting shells.
seaside
an area by the sea used for recreation; the coast
They spent the weekend at a seaside resort.
seafood
edible sea life such as fish and shellfish
We ordered fresh seafood for dinner.
seaworthy
fit or safe for use at sea
The captain inspected the boat to ensure it was seaworthy.
seafarer
a person who works or travels on the sea; a sailor
The veteran seafarer knew every current and tide.
seascape
a view or representation of the sea, as in art or scenery
The artist painted a dramatic seascape at sunset.
undersea
located or occurring beneath the surface of the sea
Scientists explored an undersea volcano.