They are landlocked by the definition of being a lake and not a sea. Landlocked doesn't mean "does not connect to the sea", because so many lakes and rivers con

They are landlocked by the definition of being a lake and not a sea. Landlocked doesn't mean "does not connect to the sea", because so many lakes and rivers connect to the sea. A lake is a lake by virtue of not being a sea. And a land mass is landlocked by virtue of not having a border that is a seafront.