You can't. New Moon island is in Sinnoh.
you can't get to any of the Sevi island in Pokemon Heartgold and soul silver
no pokemon
i have no clue
it's impossible
you can only go to new moon island in sinnoh not johto or kanto.Sorry
you have to evolve a skitty with a moon stone
there is no moon island in soulsilver. it's only in platinum/diamond/pearl. hope this helped!
you have to get hm whirlpool
escape rope or dig :)
You can find it on Cinnabar Island.
cleffairy and jigglypuff
victory road or mt. silver or mt. moon