nothing really you just go against kyogre first then once you beat team magma you go against groudon
go to the jagged pass and it should still be there
Go to Slateport City, go to the boat port and after the cutscene, the hideout will be accessible.
you go to modseep and vs the gym
you have to go to Mt. Pyre and stop them there first the go to the shoreline and surf up and the aquas that where standing there will be gone
You must get the badge from your dad and when you do you get the HM surf and teach it to a Pokemon that knows how to do it. go to Lilcove and go all the way to the upper right and surf and you'll see a cave and that is Team aquas hideout!Welcome,Qajs1 (Quinton)
you go to the team aquas hideout near lillycove city
it is in pacifidlog town i think
there hideout is by lilycove city and it closes up in end of game:)
go to Lillycove city and then go right to the beach and surf up and then you go into the cave entrance and its really the entrance to team aquas hideout!
beat the team aqua base
A rock in the front is a good hideout to pass em
near team aquas hideout in sapphire. but in emerald it is on MT. chimeny