Go to Wish Island or use a game shark and walk in grass
wish tag does not really exist.
The Seven Islands are not in Pokémon Sapphire.
The sapphire is on Six Island. You need a Pokemon to use cut on the dotted door of the cave.
You can't get latios on sapphire
No.
If you mean the sapphire, the sapphire is in Rocket Warehouse on Chrono Island.
In Pokemon Sapphire, Latios can be found in Southern Island.
you get to trade with Sapphire
ruby- mt. ember(one island) sapphire- dotted hole(six island)
Im not sure about the ruby on island 1 but I know that there is a sapphire at the bottom of the dotted hole
The six island in some ruins.