surf from lillycove city. it is quite far away, so get repels
there is no lilycove gym
you just have to beat the 4rth gym and when you come out your rival will speak to you and give you the go-goggles
Pokemon platinum is for DS but it is in snowpoint
the seventh gym in pokemon sapphire is in mossdeep city.
Slateport City doesn't have a gym.
MOSSDEEP CITY
Get Kyogre..
Mossdeep City
go to mt pyre and make sure you have the blue orb (sapphire) red orb (emerald) and go to lilycove and go in the cave beat everyone then surf to mossdeep the 7th gym leader is there go to mt pyre and make sure you have the blue orb (sapphire) red orb (emerald) and go to lilycove and go in the cave beat everyone then surf to mossdeep the 7th gym leader is there go to mt pyre and make sure you have the blue orb (sapphire) red orb (emerald) and go to lilycove and go in the cave beat everyone then surf to mossdeep the 7th gym leader is there go to mt pyre and make sure you have the blue orb (sapphire) red orb (emerald) and go to lilycove and go in the cave beat everyone then surf to mossdeep the 7th gym leader is there
Tou have to turn on all of the switches and then go to where you started (the entance door) and then you take the pointy arrow pad on the left and fite the gym leader
The second gym is in Dewford Town.
go to youre dads gym
In Pokemon Sapphire, Ruby and Emerald the 7th Gym that's located in Mossdeep City has Psychic type Pokemon.
go back to your fathers gym and defeat him
go to the desert get the fossil and then go to petalburg city and defeat the gym there
In Mossdeep city. On the right side of the island. (On the 7th gym island)
To defeat or "beat" the 7th gym leader in Pokemon sapphire there twins and they have a solrock and a lunatone to beat them I suggest about level 40-50 water types.