you have to go to the surrounded sea and when you get to the end you will find 2 deluxe boxes and an egg. take the egg and you will get manaphy! It only eats blue gummis so if you have some - great! If you don't. go back to a sea dungeon and you will find some. Manaphy goes away but will come back later.
Manaphy returns some time after you defeat Darkrai.
to get manaphy you need to complete the game and after several days sunflorer will be talking about a secret island.
Show it to Chatot in the guild.
Manaphy isn't in this game he's in mystery dungeon explorers of Time & darkness or Sky
no you can't i suggest you buy the strategey book
you find a egg in the surronded sea and the next day it hatchs into manaphy
you try to recruit more guys,legendaries and someting will pop up eventually
craggy coast
you can do it n u need to have that in order to evolve and already completed the manaphy event.
dialga palkia uxie azelf mesprit regis regigigas deoxys celeby manaphy phionie etc.
you get them in missions. in surrounded sea you get manaphy, although you cant recruit him.
you have to save the phione and beat garados