Route 220 and 220.
Surf south of Sandgem town to get to route 119 and then surf to the right to get to route 220
By fishing on Route 220.
A Trainer on route 220
Beldum Is Located At Route 220-229.
go underground at route 220 and dig it out
you can find it on route 220 using the super rod
You can fish for a lanturn after you get the nationaldex at route 220 with a super rod.
Route 219 or 220 i think. South of sandgem town.
No there is a 70% chance to catch them in the trophy garden and route 220
It is located in Route 220, on a small island, and there is not much more I know about it.
A trainer on route 223 outside of sunyshore city on your way to the Pokemon league.