in emerald and the other 3rd generation games there are 7 islands but you need the rainbow pass to get past the three island. The rainbow pass is obtained as a mystery gift. Hope it helps
You can't.
the seven islands near lilycove city
To get Seel in Pokemon Emerald you must trade for one from Pokemon FireRed or LeafGreen. Seel can easily be found in the Seafoam Islands on Pokemon FireRed and LeafGreen.
There are many Pokemon you catch that are similar in sapphire and emerald but there are many Pokemon emerald can only get and not sapphire.
The Sevii Islands are a fictional archipelago of nine large islands and several small islands surrounding them. They are far south of Kanto, and are home to several legendary Pokemon. They appear in Pokemon LeafGreen and FireRed, and peripherally in Pokemon Emerald.
Connecting to Emerald as the same conditions as to Ruby and Sapphire. You must have completed the 7 Islands (Giving Celio the Ruby and Sapphire).
385 Pokemon.
Pokemon Emerald has a bunch of Pokemon, that are available to be caught! It's too many to list here.
You need the mystery gift but unfortunitley if stopped years ago
in pokemon emerald you can go to the two island next to the battle frontier
Alot
its route 128 in between two islands with a trainer apiece