You can get there by going east down the stairs in Valor Lakefront.
You cant
Between Sunyshore City and Route 223.
The Underground, and Sunyshore City
The Underground or Sunyshore City
sunyshore
The last Gym is in Sunyshore City.
In sunyshore city. I don't no where in sunyshore.
Sunyshore City
Very north of sunyshore city.
To unlock Sunyshore City in Pokémon Pearl and Diamond you have to beat Team Galactic. They can be found at Mt. Coronet.
You will have to beat team galatic at the pillar to get to sunyshore
It doesn't do anything. It's just there for decoration. Sorry.