when you fly to lilycove or when you get there, go up the stairs that are by the Pokemon center keep going right until you see the guy in the brown suit.then jump those 2 cliffs go by the house.go down the stairs,and keep going up to those rocks that block your way then go to the right 'til you hit that rock then you should see it.
at lilycove's beach, go to the aqua guy training the wailmers, then go up in the water.
beat the team aqua base
No
Go to aquas base in Lilycove
You have to beat team aquas leader. His red orb will glow and kyogre will wake up.
beat all 8 gyms or in sapphire emerald or ruby you go to team aquas base or you could game shark it
In the room where the four pokeballs are Electrode Electrode Nugget Master Ball
team aquas hideout in lilycove
look up walkthroughs on youtube
open it
How can you find Team Aquas secret base?
same way u do in sapphire or emerald go to lilycove city and go down to the beach surf out to the left and there is a big rock that is the aqua base
near team aquas hideout in sapphire. but in emerald it is on MT. chimeny