Sea of Azow

The Sea of Azow is the most isolated part of the world ocean. The only natural connection between the Sea of Azow and the Atlantic Ocean leads through four narrow straits (Gibraltar, Dardanelles, Bosporus, Kerc Strait).
The depth of the Sea of Azow is less than 200 metres, so I classified the whole area as continental shelf.
Shelf
List of seas
Index