go to the marsh and just run in mud or surf in water
You go to where the girl (Jasmine) is under the Gym on the beach and she will give you Waterfall (the HM obviously. You surf on the water behind her and when you get to the waterfall use waterfall, then go through Victory Road, and Then face the Pokemon League.
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You must use Surf. Which can be given to a water Pokemon. Go to the edge of the lake (Like your fishing) and press "A" it will say: The water is a deep blue color, would you like to surf on it? Say yes. But this will only come up if you have a water Pokemon with surf on you.
The "serfboard" allows you to go across shallow water Source: I've played it
go under ground to find them
u can go under groung with the explorer kit and dig at the walls eventully find a water stone
hearthome city leader
no but you can go under ground chris dawson
you go under ground and dig and you might find one
you cant its only on diamond,pearl and platinum
hearthome city leader
no
you need a water Pokemon
unfortunantly you cant on Pokemon platinum as its only a feature of Pokemon Diamond and Pearl..... Sorry mate ;)
wayward cave, you go to route 206 head to cycling road go under it go to the end go under the bridge and the entrance is located there go to the one under the bridge not next to it. then travel around and you will find a girl with a kadabra that will heal ur pokemon. note: this is the only place you can catch a gible on diamond and pearl
there is 1 at route13 with surf. or go underground.