I believe they are in Mt. Coronet
Mt. Coronet; north of celestic town
In Mt. Coronet on the water - but it is really really hard to catch. I have feebas eggs is you would like to have one.
You can get Feebas in Mt. Coronet.
u have to catch a feebas in mt. coronet its in four fishing spots
Go to Mt. Coronet and on a certain floor you can fish for it!
You can catch Feebas in Mt. Coronet on B2F on the north side. You can also find Feebas in atrainers party on route 222.
mt coronet
Fishing in Mt. Coronet
mt coronet
You can find it in Mt. Coronet (B1F)
you have to go to a place in mt coronet where there is a lake a it is foggy. If you have defog use it. You have to use your old rod to get feebas in the lake. It worked for me after a few tries. Hopes this helps!