Go to slateport city and visit the crowd then come back and visit the aqua base.
You need to get past the Team Aqua grunts at Lilycove Town to advance on Pokemon Emerald. In order to do this, you first have to beat Team Aqua grunts at Lilycove Town.
The Team Aqua boss is in the Team Aqua Hideout northeast of Lilycove City. You will need the HM move Surf to reach the hideout.
you are supposed to beat team aqua to get into in team aqua's hideout you are supposed to beat team aqua to get into team aqua's hideout in lilycove city
In the aqua's hideout
Next to lilycove city
Beat Team Aqua at MT Pyre first.
Team Aqua's base or hideout is found east of Lilycove City.
in a cave on the ocean near lilycove
at there hide out
In a cave next to lilycove
lilycove city cave to the east
you have to beat the lilycove team aqua base