The Tranquil Sea is a location in Grandia: Parallel Trippers. The area lies to the south of the World Edge and lies to the west of the Ghost Land. It is the fourth dungeon visited in the game
The Pirate Hideout is home to Fake Lilly who must be defeated in order to obtain a Tower Key.
Guido and Lilly can be found and recruited in the Tranquil Sea.