pebbly beach; rocky beach
Refers to a beach covered with pebbles or rocks rather than sand. Often used in place names and literary descriptions.
I took a walk on the pebbly beach while listening to the sound of the waves.
On the rocky beaches around here, there are many small creatures in the tide pools.
Compound of 磯 (いそ, 'rocky shore') and 浜 (はま, 'beach'). The exact historical derivation is uncertain, but the spelling is conventionally associated with a pebbly or rocky beach.