To store live sea snails, you should keep them in your refrigerator.
Proper Storage for Live Sea Snails
According to guidance for handling live seafood such as shellfish and crustaceans, the recommended method for storing these items, including live sea snails, is to place them in your refrigerator immediately after you receive them.
Keeping live sea snails in a cool environment like the refrigerator helps maintain their freshness and viability until they are ready to be prepared. Proper storage is crucial for ensuring the quality and safety of live seafood.