To provide a technology capable of transmitting sufficient vibration to contents while protecting the contents from strong flow.SOLUTION: An underwater storage 1 includes a storage body 2 and a shielding wall comprising a shielding wall member 3 surrounding the storage body 2 and is installed on underwater ground.SELECTED DRAWING: Figure 1【課題】強い流れから内容物を保護しつつも、適切な振動を内容物に伝えることを可能にする技術を提供とする【解決手段】貯蔵本体2と、貯蔵本体2を囲繞する遮蔽壁材3を構成要素とする遮蔽壁と、を備え、水中地面に設置される水中貯蔵庫1。【選択図】図1