use the poketch app that helps you find items and search near the check in desk
you have to find the inn key from canalave city and then the sailor will take you there
Go to www.pokemonplatinum.com and click mystery key
You can only get in the Inn with the Member's Card which is a key item that is an event item. Only Nintendo can give out the event items. They're not available anywhere in-game. unless you cheat with an ar
first you need the dowsing machine and then outside by the reception you will find the suite key
Key Route Inn was created in 1907.
You can't go in to the inn.
U cant go into the inn anymore
go on Pokemon Platinum Walkthrough you'll might get the idea.
Action replay
In harbor inn
later on inn the game you will find the key for it keep going in the game
You cannot get the Member Card in gameplay. You get it through a event. But the Member Card Event is no longer available. If you have the Member Card, you can catch Darkrai.