Beyond the Sea

Beyond the Sea (うみのむこう) is unlocked via Foreign trade from GTS.

A small island far away on the horizon. If you look to the sea, you can see Pokémon swimming.

Advantage Types
     

Dowsing MCHN
Item	Rarity	Steps
	Rare	5000
	Rare	4500
	Rare	4000
	Rare	3500
	Rare	3000
	Rare	2500
	Rare	2000
	Rare	1500
	Rare	1000
	Very Common	0

PokéRadar
Pokémon	Group	Level	Rarity	Steps	Item	Moves
	A	18	Rare	5000		Show Water Gun, Rapid Spin, Recover, and Light Screen.
	A	19	Very Rare	5000		Show Psybeam, Aurora Beam, BubbleBeam, and Signal Beam.
	B	15	Common	2500	None	Show SmokeScreen, Leer, Water Gun, and Focus Energy.
	B	16	Common	2500	None	Show Harden, Bubble, Recover, and Refresh.
	C	12	Very Common	0	None	Show Supersonic, Thunder Wave, Flail, and Water Gun.
	C	14	Very Common	0	None	Show Water Gun, Lock-On, Psybeam, and Aurora Beam.