Lake

Lake is a recurring type of location in the ''Final Fantasy series.

Final Fantasy III
Lake Dohr is an optional dungeon found to the west of Castle Argus over a small mountain range which holds a fight against an optional summon, Leviathan, and requirs the Invincible to reach it.

Subterranean Lake is a location which party enters by jumping into the lake in Dwarven Hollows while in the Toad status. This is where Gutsco has taken the stolen Horn of Ice.

Final Fantasy VIII
Great Salt Lake is a place from which Squall enters Esthar City.

Obel Lake is a location north of Timber. It is a horseshoe-shaped lake with a small ledge, and a river flowing northwards through Vaulny Canyon. Obel Lake is the location for a sidequest that requires Squall to travel all over the world in search of rare items and hidden locations with a guide from a friendly black shadow.

Final Fantasy X
Lake Macalania is a frozen lake where one of Rin's Travel Agencies can be found. A magnificent ice palace, Macalania Temple sits atop the frozen waters. The Temple is located north of the Macalania Woods. Constructed primarily of ice, it sits atop the frozen Lake Macalania. Both the temple's fayth and its aeon are female. The High Priest of Macalania Temple is Maester Seymour Guado.

Final Fantasy X-2
Shortly after the Eternal Calm started, the Temple sunk into the Lake.

Final Fantasy XIII
Lake Bresha is a very large lake located on Cocoon's outer-rim, directly underneath the Hanging Edge. Lake Bresha was completely crystallized when the fal'Cie, Anima, crash-landed there after being defeated by Lightning and her companions.

Final Fantasy Tactics
Lake Poescas was once a large body of water, but at the time of Final Fantasy Tactics it's nothing but a dried lake bed covered in white salt. It is located just east of Limberry Castle, and is haunted.

Final Fantasy Crystal Chronicles: Ring of Fates
Lake Cyela body of water located near the Villa. In heavy rain, the lake can quickly rise and flood Rebena Te Ra. It was destroyed by a bad storm and Lunites and now stands in ruins.