go off and do some stuff to pass time, after a while, manaphy will come back and join team (may take a lot of time, so patience is required)
after manaphy you have to go to regigas who is in aegis cave after that go to palkia to evolve
Manaphy isn't in this game he's in mystery dungeon explorers of Time & darkness or Sky
craggy coast
you have to save the phione and beat garados
beat darkria and manaphy will jion your team and after 3 days manaphy will tell you whare mirene resort is.
evolve,and recycle until you get a new place
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possibly anyone you see in mystery dungeon are possible to get
Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness will be released in Europe on the 4th of July, 2008.
They don't have it in Explorers of Darkness, only in Explorers of Sky
I can't remember at what point he joins your team, but if you keep playing the story line, he will eventually join, I think.
You Can't
its marine resort