shoal; wide shallow beach
Describes a beach or seabed that slopes very gently, so the water remains shallow far from shore. Often used as a noun or na-adjective.
This beach is a wide shallow beach, so even children can play safely.
A shoal sea is perfect for clam digging.
This beach has a long, shallow slope, so even children can play safely.
We enjoyed clam digging in the shallow, gently sloping sea.