you have to go to pallet town then head south (down) until you see water then use surf and keep going down until you see a island.
No, Cinnabar Island never gets rebuilt in Pokémon HeartGold.
Talk to Blue on Cinnabar Island.
He is in the cave on Seafoam Island, which is east from Cinnabar.
at cinnabar island
You go to Cinnabar Island and Blue should be somewhere around the Pokemon Center.-
Cinnabar Island
to battle Blue in Pokemon Heartgold you must defeat the 7th gym leader, then find him on cinnabar island. Talk to him, then he will go back to his gym for you to fight
on cinnabar island
Go east of Cinnabar Island to the Seafoam Islands, the gym leader is there using a cave for his gym.
You get HM Surf and surf there
Easy. Simply get a magmar (get in the safari zone or burned tower) and give it a magmarizer (on cinnabar island) then trade it.
He is found on Cinabar Island, when you get all 15 gym badges then he will go back to his gym.He is on cinnabar island. By a rock climb.