Captain Stern is on the top floor of the museum in Slateport City.
Capt. Stern is not in Pokemon Leaf Green. He is only in Pokemon Ruby, Saphire or Emerald.
You talk to Mr. Stone in Rustboro City after delivering the letters to Champion Steven and Captain Stern.
In the slateport city boat dock place
While in Lilycove City, you can find Captain Stern in that museum place where Team Magma/Aqua are standing by. I forgot how to get rid of them, but once you do, you can find Captain Stern in that museum place I mentioned.
You go to slateport and you deliver the Devon goods to captain stern.
Capt. Stern is not in Pokemon Leaf Green. He is only in Pokemon Ruby, Saphire or Emerald.
You need to get past Team Magma to advance in Pokemon Ruby. To get them to leave route 112, you have to find Captain Stern.
You talk to Mr. Stone in Rustboro City after delivering the letters to Champion Steven and Captain Stern.
To get a package to Captain Stern in Pokémon Omega Ruby, you need to first obtain it from the Devon Corporation in Rustboro City. After receiving the package, head to Slateport City and find the Oceanic Museum, where Captain Stern is located. Enter the museum, and you can deliver the package to him there. Be aware that you may encounter Team Aqua members in the museum, so be prepared for a battle!
You will need to give the Scanner to Captain Stern in Slateport City. Once you obtain the Clear Bell from him, return to the Abandoned Ship/Sea Mauville and you can encounter Ho-oh at the north-western edge of the ship.
In the area where the SS Tidal is.
find captain stern in the mueseum.
Give it to capt. Stern in Slateport city. the boat house northeast of the Pokemon center.
Near the SS Tidal in Slateport City.
In the slateport city boat dock place
While in Lilycove City, you can find Captain Stern in that museum place where Team Magma/Aqua are standing by. I forgot how to get rid of them, but once you do, you can find Captain Stern in that museum place I mentioned.
he is in the laboratory in slateport that has many boats and near the bazaar