To get to Mossdeep City, you have to defeat the other six Gym Leaders, and you need Surf. In Mossdeep, there is a Psychic-type Gym, and Team Magma will be in the Rocket place.
No
Mossdeep City is not in Diamond as it is in the Sinnoh region.
Sorry, Mossdeep City is in the Hoenn Region, which you cannot access from Kanto.
lillycove city then go to mossdeep but beforeyou go to mossdeep deafeat team aqua
Steven gives HM08 Dive to you (Mossdeep City).
well after you go through the encounter in mossdeep he is still in mossdeep in a house to the north western part of mossdeep
The Space Center is located on a hill on Mossdeep City's eastern side.it is in mossdeep city
You have to surf there first. From Lilycove City, you surf to the right till you reach Mossdeep City.
It is southeast of Sootopolis and Mossdeep. I recommend travelling there from Mossdeep.
mossdeep city
Sootopolis City.
you have to