You can't, but in Pokemon platinum, you can get your own MANSION!
it is the hotel you go through to get to valor lakefront=)
they are in the cave in the middle
cynthia is in front of valor lakefront. She will give you a medicine to cure the psyduck to get to her grandmother's house. if u read the book it will tell u about manaphy, the king of the sea.
south of veilstone, and if that isn't enough look at your town map that you got at the begining of the game
Route 214 and Valor Lakefront hope it helped :)
valor lakefront
it is the hotel you go through to get to valor lakefront=)
In the Valor Lakefront.
right next to the back of the hotel in valor lake place
you use the radar in your pokech' and go to the front of the hotel near valor lakefront
From Veilstone, after you beat it's gym leader Maylene, you head south to lake Valor. When you get to the Valor lakefront, go to the hotel. In the back of the hotel is an exit that leads to Pastoria city.
there is no key for valor lake front
verity lakefront acuity lakefront valor lakefront
valor lakefront-near pastoria city acuity lakefront-near snowpoint city verity lakefront-near sandgem town
There's nothing blocking you to get into Valor Lakefront. To get into Lake Valor, you must have defeated Gym Leader Bryon and have talked to Prof. Rowan in the Canalave City Library.
Go to the back of the hotel the second you get outside you should be able to find it using your item finder dowsing app.
In Valor Lakefront