The hideout is northeast of Lilycove City. You have to walk down to the beach and then use the move Surf to get there.
In the Aqua Hideout.
in aqua hideout 90%
In team aqua's hideout
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Somewhere in the aqua hideout (you have to be in lilycove city)
team aqua hideout at lilycove city
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Get to Lilycove City, and once you defeat the Aqua hideout just to the northeast of the city, the wailmer will move, and you can surf east to Mossdeep.
Team Aqua's base or hideout is found east of Lilycove City.
you go to team aqua's hideout. in a lake out of lilycove.
in team aqua's hideout in lilycove city
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.