Question

I want to evolve my staryu but I don't know where to find a water stone.

Answer 1

Black/White, in the city with the 5th gym you can surf to a lighthouse where you can find a waterstone.

HG/SS, Celadon Department Store.

Pearl/Diamond, Sunnyshore City.

Answer 2

Castelia City (Answer Panpour), Driftveil City, Wellspring Cave(Dustcloud), Chargestone Cave (Dustcloud), Mistralton Cave(Dustcloud), Twist Mountain (Dustcloud), Challenger's Cave(Dustcloud), Victory Road (Dustcloud), Giant Chasm(Dustcloud)

Shop: Black City

Hope this helps...

Comments

So many dustclouds lol! you could just say in caves....