砂浜

1. Origins, structure, and basic meaning

• Structure: The spelling is 砂浜, read as すなはま. It is a noun for a stretch of shore covered with sand beside the sea or a lake.
• Basic usage: Walking barefoot on a sandy beach appears in 砂浜を裸足で歩く, while shells being carried onto the sand appears in 砂浜に貝殻が運ばれる.

2. Common pitfalls and similar expressions

• Difference from 海岸
  • It specifically denotes a sandy part of the shore and does not naturally describe a rocky coast.