The Frozen Sea is the large body of water found south of Northrend. It stretches all the way down until meeting with the Maelstrom.[1] Since it is found in between the continents, the Frozen Sea is a portion of the Great Sea.
The Frozen Sea is displayed east of Zul'Drak. This is a mistake as lorewise the sea is found south of Northrend instead. The continent's eastern and northern shoreline are occupied by the North Sea.
Speculation
This article or section includes speculation, observations or opinions possibly supported by lore or by Blizzard officials. It should not be taken as representing official lore.
[Moonglow Cuttlefish] can be caught. The only quest which takes place in the area is 
[80 Daily] Monsterbelly Appetite, a daily fishing quest. It has no mining or herb nodes.
