LANDLOCKED

landlocked,adj.1. Surrounded by land, with no way to get in or out except by crossing the land of another <because the tract was landlocked, the buyer claimed an easement of necessity across the seller’s property>.2. (Of a country) surrounded by other nations, with no access to major navigable waterways <the landlocked nation had always been at a mercantile disadvantage to its seafaring neighbors>.

[Blacks Law 8th]