Noun
the region of the shore of a lake or sea or ocean
Source: WordNetThe Charleston Slough contains a rich marsh and littoral zone, providing feeding areas for a variety of shorebirds and other estuarine wildlife. Source: Internet
The U.S. Navy intends these for operations in the littoral zone (close to shore). citation The type is "envisioned to be a networked, agile, stealthy surface combatant capable of defeating anti-access and asymmetric threats in the littorals." Source: Internet